STS-41BOn this 10th Shuttle mission, the first untethered spacewalks were carried out by Bruce McCandless II and Robert L. Stewart, using the manned maneuvering unit (MMU). S83-40555 (15 October 1983) --- These five astronauts are in training for the STS-41B mission, scheduled early next year. On...S84-26935 (31 Jan 1984) --- Three members of the STS 41-B astronaut crew arrive in Florida following a brief T-38...S84-27028 (3 Feb 1984) --- Astronaut Ronald E. McNair, left, and Robert L. Stewart prepare to enter an eight-day Earth-orbital...S84-26327 (3 Feb. 1984) --- Beginning a busy year, NASA's space shuttle Challenger, attached to two solid rocket boosters and...This scenic panorama of clouds over the Atlantic and Florida and Space Shuttle Challenger launching on the STS 41-B mission...S84-27027 (3-11 Feb 1984) --- Astronaut Robert L. Gibson, STS-41B pilot, reviews some teleprinter copy on the flight deck's starboard...S84-27026 (3-11 Feb. 1984) --- The "star burst" type informal portrait of Space Shuttle crews has become somewhat of a...S84-27039 (7 Feb 1984) --- Astronaut Bruce McCandless II, at first glance appears to be walking on cargo in the...S84-27023 (7 Feb 1984) --- This 70mm frame shows astronaut Bruce McCandless II moving in to conduct a test involving...For 50 years, NASA has been "suiting up" for spacewalking. In this Feb. 7, 1984 photograph of the first untethered...S84-27022 (7 Feb 1984) --- A 35mm frame from the February 7, 1984, extravehicular activity (EVA) photographed with a camera...Astronaut Bruce McCandless II is a few meters away from the cabin of the space shuttle Challenger in this 70mm...S84-27021 (7 Feb 1984) --- Astronaut Bruce McCandless II, 41B mission specialist tests a "cherry-picker" type device during February 7...S84-27040 (7 Feb 1984) --- Some have called it NASA's first "cherry picker" in space. Others simply call it the...S84-27211 (8 Feb 1984) --- Astronaut Ronald E. McNair, 41-B mission specialist, uses some of his off-duty time, aboard the...S84-27204 (3-11 Feb 1984) --- Astronaut Ronald E. McNair, STS 41-B mission specialist, prepares to assemble meal items aboard the...S84-27034A (9 Feb. 1984) --- Astronaut Robert L. Stewart appears to glide a few meters above the Earth-orbiting Space Shuttle...Astronaut Robert L. Stewart, Mission Specialist (MS), uses his hands to control his movement in space while using the nitrogen...S84-27219 (3-11 Feb 1984) --- Astronaut Ronald E. McNair, 41-B mission specialist, doubles as "director" for a movie being "produced"...Space shuttle Challenger completed STS-41B, a seven-day mission on February 11, 1984 that concluded with the first shuttle landing at...
