187142 - The moon in space.

La Mesa, California children celebrate the Fourth of July in 1967

187172 - An animation of the moon.

187185 - The earth as viewed from space.

187127 - An astronaut spins at zero gravity.

187182 - The earth as viewed from space.

187103 - Astronauts at a press conference in 1959.

187106 - Early testing on Project Mercury.

187124 - An animal research lab.

187109 - Astronauts take a physical.

187096 - Chinese and Vietnamese opera.

187130 - An archival shot of London in the 1950's.

187065 - Lyndon B Johnson speaks about Vietnam.

187077 - President Lyndon Johnson speaks about Vietnam.

187204 - Microscopic organisms.

187159 - A satellite dish monitors space communication.

187107 - Jet aircraft takeoff in formation.

187161 - A satellite dish monitors space communication.

187133 - Television screens broadcast a space mission.

187131 - An archival shot of Paris in the 1950's.

187140 - A research station in an exotic locale.

187163 - A satellite dish monitors space communication.

187220 - Handheld shots of early Sacramento, California.

187062 - Lyndon B Johnson speaks about Vietnam.

187207 - Plants bloom under time lapse photography.

187114 - A metronome ticks away a rhythm.

187113 - A variety of psychological tests are shown.

187136 - Astronaut John Glenn prepares for the Mercury mission.

187211 - A conductor conducts a symphony orchestra.

186958 - Early naturalist filming on the behavior of birds.

186939 - A 1939 dental hygiene film explains good practices.

187205 - The workings of the inner ear in an animated film.

187104 - A rocket launches from its pad in the night.

187292 - Musical montage of steam freight trains circa 1940.

187029 - Scratchy old leader from a classic movie.

187111 - Astronauts are tested during Project Mercury.

187126 - Early astronauts train using scuba gear.