The STS-36 crew portrait features 5 astronauts who served in the 6th Department of Defense (DOD) mission. Posed near the Space Shuttle Orbiter Discovery are (left to right) Pierre J. Thuot, mission specialist 3; John H. Caster, pilot; John H. Creighton, commander; Richard M. (Mike) Mullane, mission specialist 1; and David. C. Hilmers, mission specialist 2. The crew launched aboard Atlantis on February 28, 1990 at 2:50:22am (EST).

The moon Prometheus casts a shadow on Saturn F ring near a streamer-channel it has created on the ring. The image was taken as the planet approached its August 2009 equinox.

The STS-36 mission launch aboard the Space Shuttle Orbiter Atlantis on February 28, 1990 at 2:50:22am (EST). The crew featured five astronauts who served in the 6th Department of Defense (DOD) mission: John H. Creighton, commander; John H. Caster, pilot; and mission specialists Pierre J. Thuot, Richard M. (Mike) Mullane, and David. C. Hilmers.

The STS-36 mission launch aboard the Space Shuttle Orbiter Atlantis on February 28, 1990 at 2:50:22am (EST). The crew featured five astronauts who served in the 6th Department of Defense (DOD) mission: John H. Creighton, commander; John H. Caster, pilot; and mission specialists Pierre J. Thuot, Richard M. (Mike) Mullane, and David. C. Hilmers.