U.S. Army Engineers and the part they played in the preparations for the nuclear bomb tests of Operation Sandstone on at Enewetak Atoll , Marshall Islands. Ships and small crafts underway. United States Engineer personnel move for the final installation. Security guard registers every person. Engineers install blast measuring devices on ground. They set up many instruments to be used during tests. An engineer climbs up domestic control station . Engineers in chow line and take food in plates. They eat food. They swim, play during for relaxation. They attend religious services. Engineers make concrete structures and paint a wall. Engineer places pressure gauge in a bunker. Engineers place electronic device underground and cover it with mud by using shovels. They lay steel cables in hook on a road. The aircraft carrying safety crew lands on the road. Front end loader is driven. Aircraft takes off. Engineers stack up the pile. An engineer protects devices from radiation effect by sealing it and closes station door.
U.S. Army Engineers and their role in the preparations for the atomic bomb tests on Enewetak Atoll, Marshall Islands, as part of Operation Sandstone in April-May 1948. View of site for nuclear bomb testing. Engineer personnel leave the site and are transported by landing crafts. Landing crafts comes along side a ship. Crew climb cargo net up and come aboard the ship. Bombs explode on the site and smoke cloud rise during tests. Detonations shown include Test X-Ray, Test Yoke, and Test Zebra. The scenes that follow are all from before the tests, as engineers and personnel work to prepare the test site. Engineers work. Palm trees are removed. Crew works at construction site. Crane hoist construction material. Cubic yards of material are hoisted and placed by crane. Airstrips are built. Planes in flight. Various units in Joint Task Force 7 are recognized for their efforts in contributing to the success of the United States nuclear testing program in Operation Sandstone.
U.S. sailors aboard a ship during Operation Crossroads (Atomic Bomb Test "Able") by the United States on Bikini Atoll, Marshall Islands. Sailors on the deck of the ship off the coast of Bikini Atoll. Two men wear head sets. Sailors cradle their arms across their face as the Able Day atomic explosion occurs on the atoll. A mushroom cloud rises. Sailors watch from the deck of the ship. A target fleet in the distant background.
U.S. sailors aboard a ship during Operation Crossroads (Atomic Bomb Test Able Day) by the United States on Bikini Atoll, Marshall Islands. Sailors on the deck of the ship off the coast of Bikini Atoll where an atomic explosion occurs. A target fleet on water. Smoke rises from a ship. Personnel in a landing craft depart from the ship. Clouds of smoke behind target ships. Crew hoses a ship from aboard a ship.
Operation Crossroads (Atomic Bomb Test Able Day) by the United States on Bikini Atoll, Marshall Islands. U.S. sailors aboard a target ship, the USS Salt Lake City (CA-25), showing damage caused after the atomic bomb explosion. Superstructure of a ship. A tank and a seaplane on the ship. U.S. flag flies from the bridge of the ship.
Operation Crossroads (Baker Day Atomic Bomb Test) by the United States on Bikini Atoll, Marshall Islands. A Baker atom bomb being detonated underwater in the midst of target ships. A mushroom cloud rises after the explosion. A massive water wave overwhelms and destroys target ships as it reaches them.
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