Black and white gelatin silver photograph of the space Center, Houston. Caption reads: Apollo 11 Lunar Module pilot Col. Edwin E. 'Buzz', Aldrin, right, watches as fellow astronaut Don Lind goes through simulation of deploying the 'early Apollo experiment package' during recent test at manned Space Craft center. Aldrin could be first man to set foot on the Moon on the Apollo 11 flight. Equipment worn by Lind is designed to sustain man while on the Moon. Antenna is type astronaut will set up on Moon to send signals back to earth.