U.S. Army personnel dressed in winter clothing construct supply shaft for a weather base operation near Thule Air Base, Greenland. They cut and place wooden sheets on constructed wall of supply shaft.
Sign board reads 'Hydrogen-No Smoking' in Sierra Greenland. Working in stiff winds outdoors on frozen landscape, U.S. Army personnel mix calcium-hydride in can to generate gas for weather balloons.
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.