STS-31The 35th mission of NASA's Space Shuttle program, Discovery launched on April 24, 1990 to deploy the Hubble Space Telescope.PHOTOS OF STS-31 (DISCOVERY) CREW WITH MODELS OF THE HUBBLE SPACE TELESCOPE (HST) AND SPACE SHUTTLE AT T-30 (THIRTY DAYS...The orbiter Discovery is unveiled as rollback of the Rotating Service Structure begins during final prelaunch preparations at Launch Pad...STS-31 Mission Specialists Steven A. Hawley (left) and Kathryn D. Sullivan, and Commander Loren J. Shriver prepare to enter the...The STS-31 crew launched aboard the Space Shuttle Discovery on April 24, 1990 at 8:33:51am (EDT). Included in the crew...Space shuttle Columbia on Pad 39A "watches" the picture-perfect ascent of sister ship Discovery during its liftoff on STS-31. The...STS031-12-031 (24-29 April 1990) --- On Discovery's middeck, the STS-31 crew poses for a traditional in-flight portrait. Astronaut Loren J....STS031-10-027 (24-29 April 1990) --- A "fish eye" lens captured this overall view of the aft flight deck of Space...During STS-31 checkout, the Hubble Space Telescope (HST) is held in a pre-deployment position by Discovery's, Orbiter Vehicle (OV) 103's,...In this photograph, the Hubble Space Telescope (HST) was being deployed on April 25, 1990. The photograph was taken by...STS031-101-053 (24-29 April 199) --- A 35mm camera equipped with a "fish-eye" lens captured this view on Discovery's flight deck...In this photograph, the Hubble Space Telescope (HST) is clearing the cargo bay during its deployment on April 25, 1990....Held in appendage deploy position by Discovery's, Orbiter Vehicle (OV) 103's, remote manipulator system (RMS), the Hubble Space Telescope's (HST's)...During STS-31, the Hubble Space Telescope (HST) grappled by the remote manipulator system (RMS) end effector is held in appendage...S90-30521 (20 Feb 1990) --- Though no extravehicular activity is planned for STS-31, two crewmembers train for contingencies that would...STS-31 Mission Specialist (MS) Kathryn D. Sullivan poses for a picture before beginning extravehicular mobility unit (EMU) donning procedures in...STS031-04-002 (24-29 April 1990) --- Astronauts Kathryn D. Sullivan and Bruce McCandless II, mission specialists, work together to perform one...STS031-S-131 (29 April 1990) --- Low angle view of the Space Shuttle Discovery as it approaches for landing on a...STS031-S-135 (29 April 1990) --- The Space Shuttle Discovery makes a smooth landing on the runway at Edwards Air Force...CAPE CANAVERAL, Fla. -- STS-31. Return of the space shuttle Discovery at the SLF and towed into the mate/demate device....STS031-S-129 (29 April 1990) --- The astronauts of STS-31 egress the Space Shuttle Discovery following a smooth landing on the...