STS036-03-014 (28 Feb-3 March 1990) --- Astronaut David C. Hilmers, on the aft flight deck of the Earth-orbiting Atlantis, prepares to use the large-format Aero Linhof camera used for recording of Earth imagery. Hilmers and four other NASA astronauts spent four days, 10 hours and 19 minutes aboard the spacecraft for the DOD-devoted mission.