Man fills balloon with calcium-hydride gas in weather balloon during U.S. Army coordinated test near Thule Air Base, Greenland. Another man operates Radar Antenna. Man walks out of igloo, attaches radiosonde to the balloon and releases it. The balloon moves upward. Man positions Radar Antenna.
Army personnel and scientists prepare weather data sheet near Thule Air Base, Greenland. They draw line on sheet and look at scale. Man checks Radiosonde. Another man tunes the Oscilloscope.
U.S. Army personnel check graphs and prepare weather data sheet near Thule Air Base, Greenland. They check radiosonde equipment that was sent aloft by weather balloon. Man records surface winds and temperatures. Man speaks over telephone.
Aircraft flies over four trailers near Thule Air Base, Greenland. Men carrying sack gather around. Army personnel distribute supply goods from container to the group.
United States B-29 Superfortress in flight. Square P tail code identifies it as belonging to 314th Bomb Wing, 39th Bomb Group, stationed at Guam. Aerial view of the air base. View of the island and runway.
NASA Astronaut Virgil Grissom, in flight suit, leaves building, at Langley Air Force Base, Virginia, and walks toward a Convair F-102 Delta Dagger jet from the 48th Fighter Interceptor Squadron. Another F-102 jet parked on the airfield. Grissom inspects the aircraft and then climbs onto the cockpit.
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