A low yield atomic explosion is conducted for experimental purpose. Smoke rises due to explosion. Sign reads "Headquarters Special Weapons Command." U.S. Air Force Major General John S. Mills steps from the headquarters building accompanied by another officer. View shifts to B-29 aircraft parked on the tarmac. A tug is pulling a B-47 aircraft. Mechanics on maintenance stands working on aircraft. Aerial view of an Air Force F-86 fighter airplane speeding past a B-29 in flight. View from directly overhead of a B-29 in flight over desert terrain. Scene transitions to view from directly underneath a B-29 in flight. Change of scene shows two women in the Weather Central of the Atomic Energy Control point, where teletype machines are printing out weather data. Meterologists plot wind data on maps. View of an atomic explosion. Closeup of the "atomic cloud." Technicians standing in a group, outdoors, observing the movement of the cloud. Next a technicial with a radiation counter walks to a helicopter, waiting with pilot already in the cockpit. He boards and the helicopter takes off. Closeup from the ground of the helicopter flying low directly toward the camera. Occupants can be seen as it fies past. Another post-explosion atomic cloud is seen. A B-29 in flight overhead. View of a pilot wearing helmet and oxygen mask, inside the cockpit. View of cloud through which they are flying. More views of pilot inside. A B-36 aircraft in flight with blue sky in background. Closeup of a C-47 aircraft in flight, with a sampler attached to the top of its fuselage. Crewman inside an aircraft attending to camera equipment. Other cremen at complex recording devices. View of a B-29 directly overhead. Crew members inside a cloud tracking aircraft. Men in a military control center receiving and plotting the cloud movement data. More views of B-29 and crew members inside. Men with hoses decontaminating a B-29 after it completed cloud tracking mission.
Gear of B-36 peacemaker lowered as plane lets down for landing. Crew unloads equipment from Strategic Air Command (SAC) B-36, into a waiting truck.
An office building, a sign in front of building 'Headquarters 6th Bomb Wing (H)'. Other official building, sign on same 'Base Operations' other sign depicting "47th Air Division".
A truck hauling crew to Convair B-36 "Peacemaker" strategic bomber. The crew unload supply from truck and carries it to plane. The Convair B-36 is seen in the background. Crew prepares for preflight inspection. Brigadier General Cosgrove and Lieutenant Colonel Lyle Walker in discussion near planes. Men inspect each other’s parachutes. General Cosgrove inspects the crew. Double row of B-36s, plane taxiing and then takes off from Walker Air Force Base. Master Sergeant Richard Cline seated in greenhouse of Convair B-36 in flight.
A young Roman Catholic woman with her head covered by a veil, opens gate and enters cross-marked doors of adobe St. Thomas Church (1, Church Plaza, Abiquiu, NM 87510, United States). A crucifix stands in the courtyard, opposite the door. A bell tower and bell is seen atop the building. Inside, the woman is seen approaching an elaborate altar, behind which are depictions of saints and other works of local art. Closeups of religious figurines adorning shelves beside altar. The girl kneels and prays before the altar. Closeup of crucifix at center of wall behind altar. Closeups of other religious figurines and paintings decorating space around the altar. The woman bends down to light a candle.
Views of the nuclear test device nicknamed, "Gadget", showing network of wires going to detonators surrounding core. The first ever atomic bomb device is in position at the top of its test tower, the day before it produced the first nuclear detonation in history. This device was detonated in the early morning of the next day, July 16, 1945. The detonation test event was named Trinity. (World War II period).