Culbertson: The EVA that had been planned for this week, that
would have had Mike Foale and Aleksandr Lazutkin doing an internal spacewalk
in the transfer node, has been delayed. The Russians had a meeting of
their State Commission of Chief Designers this morning at 10 o'clock
Moscow time. The decision out of that meeting was to delay that spacewalk
until the arrival of the next Soyuz crew, which is scheduled to lift
off from Baikonur on August 5. They will dock with the space station
Mir on August 7, be up there for about seven days of handover between
the two crews, and then Vasily Tsibliev and Aleksandr Lazutkin will
return to Earth on about August 14, once all the handover is completed.
There was to be a French cosmonaut on that mission on behalf of the
French Space Agency. That mission has been delayed until probably January
28, though the final decision on that will be made as we go down the
road here a little bit. There is a Soyuz scheduled for that date and
I assume that they will go into a retraining exercise and replanning
to accommodate him during that time period. I believe that this is all
an excellent plan. I am in total concurrence with what the Russians
have done here. I believe that the calendar was just too challenging
for us in order to fit in the preparations for the execution of the
EVA and also get ready for the Soyuz' arrival and all the other things
that needed to be done before this crew came home. I think it would
have been too much of a burden, timewise. There obviously were questions
about the margins onboard the Mir, the power margins, the capability
of the gyrodynes to control, and I don't believe there's any need to
press things at this time. So I believe this is a good plan and I believe
we can support it very well. We have asked the Russians to provide us
with lists of anything that they would like to add to STS-86. We've
been getting that information over the last couple of weeks and we're
starting to finalize plans for that in terms of what we take up to support
our science program as it will be modified for Wendy Lawrence and also
assist them with logistics to support their future spacewalks.
Right now they're planning on conducting the internal EVA that was
planned for this week on about August 20, using Anatoly Solovyev and
Pavel Vinogradov. They will do the EVA to recover the power from the
Spektr module and hopefully raise the power margins on the Mir so that
they can go forward with a good science program for Wendy as well as
increase the capability to deal with minor difficulties and also to
give them margins during the docking of Progress and Soyuz vehicles
in the future.
They tentatively plan also an external spacewalk on September 3 to
do an inspection of the damage site on the Spektr module and just see
if they can tell where the hole is, whether it's an easy fix or a difficult
fix, and then go on from there. That will be prior to the launch of
Atlantis on STS-86, and may give us some information that we could respond
to, but actually we will be very close to the mission, so it may be
very difficult to make major changes to the manifest or to the plan
for the EVA that is currently scheduled for STS-86. So we'll just have
to see how things work out through those spacewalks, what they learn,
and then both programs will work together to move forward from there.
The crew right now is in real good shape. I believe that Mike Foale
was probably the one most disappointed about the rescheduling of the
EVA. He was getting pretty enthusiastic about it and had already begun
reviewing procedures and talking to Vasily Tsibliev about the details
of that EVA. Any mission specialist I know is always eager to do an
EVA and he was beginning to understand this one to the point where he
had become very enthusiastic, but he understands the situation and the
need to delay it and will be an excellent supporting member for the
upcoming activities onboard the Mir before he comes home. The crews
has had a little bit or relief of schedule here in not having to do
all the rehearsals and the EVA preps, so they are going through their
activities that were scheduled anyway for the docking of the Soyuz,
return of their data to Earth, and the wrapping up of their mission.
There is, of course, a fairly extensive exercise program required prior
to reentry anyway, and that will take up a great deal of their time
between now and reentry on August 14.
Otherwise systems on the Mir are going well. They are back on eight
gyrodnes with repair in progress on a ninth and tenth one. There was
some damage to a couple of the gyrodynes during the power-down last
week and they've had to make repairs to them, but the Mir is controlling
very well on the ones that are there, not using very much fuel at all.
The power margins are back where they were prior to the inadvertent
disconnect of the cable, the Vozdukh is running for CO2 removal, the
Elektron is not running, but not needed at this time because they are
replenishing oxygen from the Progress that arrived not too long ago.
Temperatures are within normal ranges and the crew appears to be resting
well and has had several conferences with management and their families
over the last few days and, based on my conversations with them and
my observations of what's going on, they're very well informed and understand
exactly where we're going, and I believe concur fully.
I brought along reinforcements, if you have more of those hard questions,
Paul Dye who will be the Lead Flight Director for STS-86 and the launch
of Atlantis along with Wendy to replace Mike Foale, and Greg Harbaugh
who is managing the EVA Project Office and has been deeply involved
in the plans for this upcoming EVA and all the contingencies that are
associated with that.
Q: Why did the Russians make this decision? What did they tell
you the reason was? Did you or NASA urge them to take this position
after last week or were you ready to press ahead with Mike Foale participating
if that's what they wanted to do?
Culbertson: We had the normal technical exchange on these types
of issues. Whenever something is being evaluated both sides put all
the cards on the table of what their margins are, what the limitations
might be, what our options are ahead of us, and we had some very frank
and open discussions about how we might proceed here. I am totally in
concurrence with the path that they took. We were concerned about the
schedule and whether it might be compressed or the crew might feel the
pressure of time, as well as what the margins might be and what they
might hope to gain versus what the risk might be to the station. We
had, as I said, very open discussions about that and I think that they
made the right decision here.
Q: Since they're not going to fly the French cosmonaut, and
the reason, in part at least, from what I understand, is they don't
have the power for him to conduct his research, how then can you proceed
with another American astronaut if the power margins are so narrow?
Do you need to see some improvement in that through the spacewalk activities
to proceed or is that not a player at this point in the decision you'll
make in September about flying Wendy Lawrence?
Culbertson: There are three things to think about here. One
is, the French mission was going to be conducted with six people onboard
the Mir, which not only puts a drain on the power during the experiment
activity, but also just the life-support system to maintain six people
for that extended period of time. That was one of our major concerns
there. We believe also that if they are able to successfully complete
this internal EVA in August that they will increase the power margins
and so enable us to conduct a pretty full science for Mir. Right now
it's looking like she'll have almost all of the time that she had planned
on dedicating to the research program. But I also want to point out
that research, though very, very important, is not the only reason that
we are conducting operations in space. The fact that we are continuing
to learn about how to respond to contingencies as well as how the Russians
conduct routine maintenance and how we might do it in the future, how
we might respond to these type of things is extremely valuable and we're
not about to lose the opportunity to do that.
Q: Are there any discussions about, if the Mir should have
to be abandoned, of using the Space Shuttle to provided a controlled
reentry?
Dye: I don't think I've had any real discussions in that regard.
As you know, the people onboard the Mir, the cosmonauts and the astronauts
onboard the Mir, have a way home at all times with the Soyuz. We don't
have the number of seats onboard the orbiter that we need to bring home
the full crew of STS-86 plus the folks onboard Mir. I don't think we'd
be looking at that kind of evacuation in that sense.
Q: That's not what I meant. I meant, if there wasn't anybody
onboard. Say they had to get into Soyuz and abandon it, and then Mir
is left up there, say, at the end of August, would we still fly the
Shuttle up there and possibly put the Mir into a position where it could
be a controlled reentry, like Skylab?
Dye: I haven't heard any discussions in that regard and it
would be a lot of faults in order for us to get to a situation where
we'd have to be there. I don't thing that's anything that we've put
on our plates so far, and I haven't done any studies in that regard.
Q: So there are no plans at this point. Do you know what the
Russians are planning to do if the Mir is abandoned? Could it reenter
over the U.S.?
Dye: I don't know of any plans that they have or what they'd
do in that case.
Q: Could you discuss a little bit the kinds of equipment that
you're looking at taking on the Shuttle to Mir in September to help
them with the repairs to the Spektr module, either external or internal
repairs? Is there a tentative list or a priority list of equipment that
you're looking at to help keep the station operational?
Culbertson: Overall the requests that we're getting are mainly
support of the Mir's systems, like additional batteries. We're carrying
a gyrodyne up. Some hardware to support normal operations including
the food and the science hardware that we carry. In terms of additional
equipment, we have had no specific requests for repair material per
se to go up on STS-86. I believe the Russians will attempt to do that
on their own on their Progress vehicles in the future, but until they
know exactly what the hole looks like and what the repair procedure
required is going to be, there's really no need to take a whole lot
of hardware except for maybe some basic sealing material. Greg, I don't
know if you have anything to add to that.
Harbaugh: We have one of our fellows over in Russia right now,
Richard Fullerton, who's working directly with the Russians, along with
Jerry Miller and Leroy Chow, and essentially we have at the working-troop
level a very good relationship with the folks there, in addition to
Frank working the top-level programmatic issues. I think they've been
very forthcoming in defining what their thoughts are. It's very much
a work in progress with regard to STS-86 and the future for Spektr.
But I will tell you that there has been some discussion about a cutter
of some kind because one of the things they're thinking about is cutting
the solar array mast off and I think there is an awful lot that has
to happen between now and whenever that should occur for the Russians
to satisfy themselves that it's something that needs to be done and
is appropriate. But we're looking into providing that capability should
we be asked. We haven't been asked, but we're looking at it. The second
area is some way to assist them in identifying the leak source. We're
looking at the possibility of a remote sensor of some kind, to fly up
on STS-86, an infrared detector or a mass spectrometer, that kind of
thing that we could use from the orbiter to help the Russians identify
the leak path. Again, that's something we're doing based on our working-troop
discussions with their folks, that have not been requested at high levels
yet. But we're doing everything we can essentially to be prepared should
they ask. And then the third thing that we have looked into was some
method for sealing a leak. We actually sent a couple of different packages
of material to the Russians for the their own testing and assessment.
We also in parallel developed a plan to provide a tool for injecting
this material, again, if we should be asked. So essentially, our avenue
is to plan prudently as far in the future as we could, anticipating
what we're hearing from the folks over in Russia on things that they
might be interested in that they might take advantage of from our technologies,
but there is nothing that's been specifically asked for above and beyond
what I've talked about.
Culbertson: And if I could clarify one other point, right now
we don't see a critical need to recover the Spektr module in order to
continue the program. The equipment that's in there, we have figured
out ways to work around. The power recovery I think is important, and
we're anxious to see that happen, but as far as recovering the Spektr
as a habitable module, I don't see that as a strict requirement of the
program right now. But the fact that there is the possibility of conducting
a repair, which may apply to future operations such as on ISS, I think
is a great motivator for our people to look at ways that they would
deal with it if this were the International Space Station, and maybe
work together to come up with a repair that we could at least verify
on orbit, even if we didn't say we're ever going to open that hatch
again and use that as living and working quarters. But at least we could
verify whether it worked or not, and it might be very valuable experience
for us in the future.
Q: You talked about having conversations with Mike Foale. What
exactly did he tell you about it and what his state of mind?
Culbertson: Mike is a great adventurer and a very good team
player and he was ready to go out and do the EVA, but he also understands
that it just wasn't going to work out at this time, and he has plenty
to do right now just keeping up with his program and also assisting
his crewmates in their tasks in getting ready for the Soyuz. He told
me that he is learning a lot and feels that he's very helpful to the
situation up there and he's very happy to be there and wants to stay
as long as makes sense, until Wendy arrives, and can hand over to her.
He feels that this has been an incredible chance to learn about station
operations and to be able to take things away that he can use in the
future. He was in very good spirits.
Q: Greg, could you explain about the potential of cutting off
the mast to the array and what might be done after that?
Harbaugh: If the solar array is so severely damaged that leaving
it in place would create or provide an additional hazard for future
operations, and/or if the intent is to pursue a seal, a leak repair
of some kind, there has been some discussion - and again, this is very
preliminary and at very low level - of the possibility of removing that
solar array. It's a fairly stiff piece of hardware and there are two
ways to do it. There is a plate at the base with a bunch of bolts and
you either undo all the bolts or you cut the solar array off at the
root. We're looking at a cutter that might be used should they formally
request it.
Culbertson: Again, we haven't identified the necessary requirement
to do that, but it is one of the options that may come up in the future.
And for everybody's edification, please note that the damaged array
is on the opposite side from where the Shuttle docks and would received
fairly low loads during that time frame.
Q: There's been a lot of talk and newspaper articles written
about the fact that there's an increased interest in space travel and
space exploration and research. Could each one of you comment on personal
vignettes that you might have regarding increased interest, how it might
be affecting NASA and you in your personal lives?
Culbertson: You can imagine how it's affecting our personal
lives. The increased interest I think is good. I believe that the space
agency is doing very important things that individuals here have worked
very hard at and spent their whole careers at accomplishing a lot. And
many times it doesn't get recognized. I believe that exploration is
a tremendous motivator to young people to work harder and to learn more
and to be able to do more with their own lives. And as long as we can
show that there are important things to learn here and it is worth working
very hard to get to the positions that allow you to work in the space
program or go into space, I believe that the exposure is good. I think
we've demonstrated that we know what we're doing, that we understand
the situation, and that it's important to be problem solvers and not
problem avoiders. We teach our small kids to run away from hard times,
but when they mature we want them to learn how to face things head on
and deal with them and fix what needs to be fixed. Whether its the space
program or society, we should all be very aggressive about identifying
the problem and then solving and not just running away from it.
Dye: I think I can probably comment a little bit. I find when
I'm not here working the problems or working the issues associated with
all the things that have been going on, I'm answering questions from
people who are asking me how things are going on the Mir. I think a
lot more people know what the Mir is and what it's all about now that
they did in the past, and in that respect that's a good thing for space
exploration. I think what we're proving here though is that exploration
is a difficult thing at times and it's not so much how you handle everything
when it goes right, but how you handle the problems when they come up.
For instance, when we are flying the Shuttle missions to the Mir, we've
done it quite a few times now and we're learning how to be flexible.
STS-86 will be flexible. We know that we're going to lift off on a date,
with a pretty much full vehicle and that we're going to dock. What we
do when we get there, we'll figure that out a little bit closer in.
So it's a good lesson in how to be flexible and how to provide the kind
of support we're going to need to provide for the International Space
Station.
Harbaugh: My personal vignette is, my family and I went to
the movies last week, and all of the previews, every single one had
some sort of space theme, so there is clearly a lot of interest and
evolving interest in space out there, and as Paul just pointed out,
the obvious lesson from where we are with Spektr right now, and with
Mir in general, is that it is a challenging environment. It's tough.
It's brutal. Yet we have collectively learned how to maybe peacefully
coexist with that environment, and between ourselves and the Russians
we've learned a lot, taught each other a lot, and there is an awful
lot more we can do in terms of international relationships and pursuing
peaceful exploration, and there's a lot more we can gain from a technological
standpoint, so the future is bright.
Q: The Russians are repeatedly describing this crew as very
exhausted and, in fact, gave that as their bottom-line explanation for
delaying the EVA. How worried are you about that, since they're not
going to be relieved until another couple of weeks? Do you think that
their workload should be kept to the bare minimum to alleviate any future
mistakes?
Culbertson: I think you've seen exactly that. The workload
they have is fairly routine. The unusual activity would have been the
EVA itself, and that has been removed from their plate, so I think the
crew will be under no additional stress, and I believe they'll have
a chance to rest sufficiently and get ready for the arrival of the next
crew.
Q: Do you think from talking to Mike Foale that he is also
exhausted as the Russians describe him?
Culbertson: I didn't hear any Russians describe Mike as exhausted.
I know he's been tired off and on during the hard, long days that they've
had to put in, but in a general sense he seems to be fairly relaxed
and doing very well. I believe that some days you have hard days and
you're tired at the end of the day, but in terms of general fatigue
I think Mike is doing great.
Q: Last week you said you were skeptical that six men could
spent 21 days on Mir given all the power limitations and experiments,
etc. What assurances are the Russians giving you that five men on Mir
for one full week isn't going to overload the power systems?
Culbertson: We have a pretty good understanding on our own
of what the load is for these kind of periods in the mission. We're
getting very thorough information from the Russians on what their consumable
status is, as well as what the power margins are. So we, on our own,
are comfortable that five people for seven days is doable. There will
be some consumption of a few items, possibly some lithium hydroxide,
maybe some of the solid oxygen generator, though the Progress will pump
them up pretty far. So we have a pretty good understanding, plus they
are sending me some time this week their own assessment of what the
margins will be throughout this period, but I believe it'll be so far
less that what the load on the system would have been for the 21 days
- which technically was doable; the question was could you do much in
addition to that - I don't believe we'll have any concerns at all about
five people for seven days.
Q: You've mentioned that the science goals are certainly one
aspect or rationale for continuing the U.S. increments to Mir. Also
resupply obviously of the station by the Shuttle and of course the experience
you've talked about your gaining from dealing with an emergency situation.
Can you rank those priorities? Are they three coequal? It sounds like
from what you've said the experience you're gaining is number one, the
resupply is number two, and the science is number three. Am I off base
there?
Culbertson: In fact, when Mr. Tommy Holloway led this program
at the very beginning, they had four priorities that they listed as
the goals of the program and we've advertised those freely throughout
the program. The number one was for us to learn to work together and
you've got to say that we have certainly been learning lots of things
about working together here on an international basis. The second one
was to conduct risk mitigation for the station, and what that means
is to learn how to operate hardware, people, procedures, processes,
in order to support a long-term operation on an international space
station. The third priority was to conduct long-duration studies on
humans, which we had not been able to do on humans since the Skylab
days back in the 1970s. And then the fourth priority, though not the
last one by any means because there are lots of other subpriorities
below that, was the research program itself. Research takes up most
of the day for people when there are not unusual things going on. So
because of the sense of time it seems to be the maximum; that's the
one people tend to concentrate on and shows the most visible results
frequently. But, in fact, all of those are very high priorities, but
the number one is to learn to work together in space, and I believe
that we are learning even more than we had expected and I think that's
good.
Q: It sounded like from what you've said all along, communications
have been good, and on Friday you were pretty convinced we wouldn't
expect a decision until today. And then on Saturday they radioed up
to the crew and said the spacewalk was off. Were any of you caught by
surprise by that?
Culbertson: No. The formal decision was made today. I think
it's highly appropriate to talk to the crew about it. There are reporters
swarming all over the Mission Control Center over there and they don't
have quite the same ability to communicate privately that we do, but
obviously decisions had to be made at many levels before you go into
the final , formal review, so it's not unusual for people to know how
it's going to turn out ahead of time. We weren't surprised by any of
it. I think the Russians handled it very tactfully and very appropriately
the way they dealt with the crew and informed them, and I believe it
all led up to formal endorsement by the State Commission this morning
in a very appropriate manner.
Q: Greg, you talked about the environment of space being challenging,
and when you hear critics talk about how risky this is and Mike Foale
should come home and we shouldn't replace him and all that. Do you think
this a nation of cowards? Are we getting so risk-averse now that after
30 years of space flight and the billions of dollars we've pumped into
becoming operational in space that we're simply unable to deal with
these kinds of problems? To what do you attribute all these calls to
bring him back?
Harbaugh: I think NASA is about daring to do great things and
that means stepping out in front and doing what we do very publicly
and being willing, being big enough, strong enough at the shoulders
to absorb the kind of naysayers and catcalling that often comes when
people try to do great things. As far as I'm concerned it's awfully
easy to stand at the side and criticize somebody who is trying to do
something. It is a lot tougher to go do it. And as one who has been
part of a process for some years, where we have gone and done some pretty
amazing things, I think you just can't worry about what the naysayers
have to say. Maybe the naysayers will come to be believers some day
when we continue to succeed.
Q: In terms of these EVA contingency plans, cutting off the
solar array panel on Spektr, unbolting it or whatever, is that something
that would be carried out by the STS-86 crew or would you simply be
carrying the equipment up to Mir for the cosmonauts to ultimately do
that job?
Harbaugh: We're trying to maintain our flexibility, but the
reality with the schedule that we're facing is such that I think it's
highly unlikely that the STS-86 crew, Titov and Parazynsky, would do
much other than possibly prestage some of these tools. Folks are looking
at what options we have and what we could do to help, but unless a crew
has been trained to climb on the Mir and get to the Spektr work site,
I would have some reservations about asking them to do that. The Mir
environment is quite a bit different from the Shuttle payload bay. So
it's not the sort of thing that we would take lightly. We are thinking
about looking at and assessing what Titov and Parazynksy can do on STS-86
and will continue to do so, but we're going to do that with the overriding
consideration and concern that their safety be maintained. The bottom
line is that they may be asked to do some things, but I really expect
that it's going to be the cosmonauts that will do the lion's share of
the repair work.
Q: As a veteran space walker, could you characterize the difficulty
of the internal EVA?
Harbaugh: That's something we've been thinking about for quite
a while now. I think, in a nutshell, it's not that tough an EVA. There
are some hazards, and characterizing the hazards was really the challenge
and the thing that we've been worrying about. For example, we've been
concerned about somebody going inside the Spektr and getting hung up
somehow, and being unable to free himself. And we satisfied ourselves
after detailed review last week, that in such a scenario the crewmember
could release his umbilicals and get himself free. That would put him
temporarily in a nonoptimum suit condition, but a perfectly safe suit
condition and one that is readily recoverable, so the concern about
somebody getting hung up has pretty much been logically dispelled by
good engineering analysis. The other thing that there was some concern
about was the environment inside Spektr, if there were any materials,
for example, that were present that would present a hazard to the crewmembers
- leaking batteries, or what have you. And after the safetey community
has gone through that analysis, we consider that to be a relatively
minor set of concerns, not insignificant, but all controllable. So in
essence, I think the EVA was eminently doable, Mike would have done
a great job, but as Frank said, we concur that it's prudent to them
postpone and let the Mir-24 guys do it.
Q: Can you give us an idea of how much of Wendy Lawrence's
planned science mission is going to be lost, or how much are you going
to have to replan as a result of not having access to the Spektr module?
Culbertson: We believe she still has about 80% of her previously
planned science available because her emphasis tended to be more in
the microgravity area rather than life sciences, and most of the microgravity
hardware is in the Priroda. We're looking at adding some additional
hardware and replanning a few things, depending on the success of this
upcoming internal EVA in August to see what kind of power capability
they have. As you're probably aware, much of microgravity requires power
to either continuously operate the experiment or maybe operate a furnace,
so that's going to be a factor. But there are the back-up experiments
that will be available to her. In addition, we have enhanced our ability
to train on orbit and prepare for back-up experiments through video
and other means and we feel like she will be pretty well prepared to
begin a fairly robust program and then we can modify that as necessary
through the mission, which I think is also a good example of the type
of things that we're learning to do in preparation for ISS because this
will always be a factor. An experiment could fail on the very first
time you turn it on; you've go to go to a fallback or work on a different
way of doing business.
Q: Is any consideration being given to actually replacing that
damaged solar array in a bid to restore near fuller power to the station?
Culbertson: Right now I don't see anybody working very hard
on that. That would be quite a way down the road. We do have another
solar array onboard the station that has not been deployed yet, but
my understanding is it will not fit in the same socket that this one
is installed in. It's a different type of mechanism so that's not an
option for a direct replacement, but maybe for replacement of one of
the older ones in the future to up the power capability. I believe that's
a long way in the future if we ever do come to that.
Q: Have you received any assurances that when this Progress
undocks it's going straight to the Pacific Ocean and will not be used
for any redocking tests?
Culbertson: No, and in fact I've heard that they might want
to redock it, depending on how they reconfigure things with the Soyuz,
but if they did it would be done under automatic control. But we'll
have discussions on that once I get the full plan from the Russians
tomorrow or the next day.
Q: What kind of concerns do you have, now that the Mike Foale/Lazutkin
EVA has been scratched, that one of the key things is that they could
have opened the hatch, found out they needed a left-hand spanner or
something else that could have been shipped up on the Soyuz or future
spacecraft, and now you don't have that option, and so if Solovyev goes
in and does the EVA and finds out he needs a tool, you're back to square
one again?
Culbertson: What you say is true. That's life.
Q: What kind of concerns do you have if the situation remains
the way it is right now, there is no way to do a repair, when the STS-86
arrives, what kind of concerns might there be any as far as power or
other safety concerns?
Dye: I think we've got sufficient power margins onboard to
dock and do the kind of mission that we have in the past. I don't have
any concerns that we're not going to be able to get docked and deliver
whatever supplies the Mir needs. Obviously putting the EVA off a ways
means that the decisions on what kind of things you might want to carry
are going to be out there a little bit farther, a little bit closer
to the STS-86 launch, which can make it more difficult to build up anything
if you have to build up something special, but part of the key is being
flexible, and I don't think that we're going to have any problems getting
docked and staying docked and doing the kind of mission that we'd envisioned
in that regard.
Culbertson: If I can add to that real briefly, I may have given
you too short an answer previously. If they discover something on August
20, which is what they would have discovered on July 24, we've actually
got more time between then and the launch of STS-86 than we would have
had to get anything to the Soyuz for taking up to the Mir, so we actually
are in better shape to be able to respond to a request, but we'd be
using the Shuttle instead of the Soyuz, but that's all part of our joint
partnership.
Q: What about attitude control during the docked period? I
understand the Shuttle does the attitude control for the stack most
of the time, but I assume it'd be much more complicated to point the
solar arrays at the Sun if you don't have the solar array drive electronics
working, stuff like that.
Dye: Actually, it's not that much more difficult. We have flown
a tremendous number of attitudes with the Shuttle and Mir. Obviously
there are two basic types, inertial or gravity-oriented. But each flight
brings its own challenges. We work the attitude time lines quite heavily
and we work them quite late. As a matter of fact we change them in flight
when we discover what's working and what's not. I've looked at that
with my pointers and the folks look at power profiles, and we have so
much experience with the Mir now that we have a pretty good idea of
what works and what doesn't. So I really don't foresee any problems
with that.
Q: I'm assuming that the 24th Soyuz obviously is going to go
to the +X Kvant-1 port. Will they move that to the other node, the -X
mode for the EVA so they'll have that same safe-haven environment, or
is there any talk about leaving Mike Foale in the Base block while they
do the EVA, and in that case how would they get back if there's a problem
repressurizing?
Culbertson: I haven't heard their resolution on that either.
Both options are open to them. They actually prefer to have the Soyuz
at the transfer node end and the Progress at the Kvant-1 end and I know
that at some point in the mission they were planning to move it from
where it will dock initially around to the other end, but I'm not sure
when that will occur, whether it'll be before or after the EVA.
Q: Have you heard any discussion about the half dozen or so
EVAs the 24 crew has planned? Would any actually repairs of Spektr be
for a subsequent crew. In other words, is there any chance these guys
would actually try to seal and repressurize, or are they pretty much
just inspections and that sort of thing at this point?
Culbertson: I believe they would like to do repairs if they
can figure out what needs to be done and have enough information. There's
a Progress scheduled for October 1, so after their initial inspection
and any information we might be able to provide them during STS-86,
they could probably respond to and take up repair materials if they
in fact to decide to go that way. So I believe they would like to at
least make an attempt at the repair. It's just going to take some time
to do that.
Q: Observers as well as your own Mir astronauts have pointed
out the importance of having productive work to do on a space station.
Do you feel Mike is going to have enough productive work to do to keep
himself occupied between now and the middle of September?
Culbertson: I guess it depends how you define productive.
Mike told me he has barely had time to rest during the work day and
he's welcomed the days off, even though his science program has been
curtailed quite a bit. I believe they're all doing productive work.
I know in my own house, if fixing the leak in the roof is what I've
got to do, that's pretty productive, and that's what they've been working
on.
Q: If you had to, what's the quickest you could get STS-86
up and going and get there fast if you had to?
Dye: We could probably accelerate by a few days. Of course,
the longer you wait, the harder it is to accelerate because the particular
schedule in the last few weeks prior to launch is pretty much carved
out. I haven't heard any really impetus or reason why we would need
to accelerate STS-86. It just doesn't seem to be required. But we could
probably move things up a couple of days if we had to, although that's
not what we're looking at.
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