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 fleet of ships set out at various locations and orientation to the explosion center. A mushroom cloud rises after the explosion.
USS Shangri La (CV-8) for Operation crossroads at Bikini Atoll in the Marshall Isalnds. A small boat with a U.S. flag leaves from the side of USS Shangri La. The name Shangri La written on the ship.
Airmen on the ground at Eniwitok Atoll (sometimes spelled Enewetak or Eniewetok), Marshall Islands, unload radioactive cargo from a drone B-17 aircraft, of the 509th Bombardment Group, that had flown through the cloud following the atomic Test Able explosion at Bikini Atoll, during Operation Crossroads. (The drone displays an atomic cloud Logo on its fuselage.) The airmen use an ingenious arrangement of cables to remotely position a container under the drone's bomb bay. Then using remote controls, they release cargo from the bomb bay into the container. They reposition the cables (running near the aircraft, to minimize personal exposure) and repeat the process with another container. A C-54 carrying the 509th Bombardment Group's Mushroom Cloud Logo, stands ready to transport the cargo.
A training film on operations of U.S. forces on Kwajalein Atoll in the Marshall Islands during World War II. Animated map of Kwajalein Atoll locates Cohen Island, Porcelain, Arnold Pass and Burlesque Island. Major air facilities are on Burlesque Island and Porcelain. Guns, machine guns, defense installations, artillery, trenches, anti tank ditches, barricades and embankments are used to fortify Burlesque Island. Burlesque and Camouflage Islands are located. Camouflage Island is the most strongly defended island. Abraham, Allen, Andrew and Anton Islands also had gun emplacements. On Allen Island are three tower radio station. On Jacob Island is a radar installation.
U.S. Nuclear weapons test ABLE in Bikini Atoll also called Bikini Lagoon, on July 1, 1946. Ships anchored in the lagoon in the foreground are seen from aircraft flying above. The nuclear device with yield of 23 thousand tons of TNT equivalent, is dropped from the high flying B-29 bomber named Dave's Dream (not seen) and detonates at a height of 520 feet above sea level. The screen goes white from the light of the resulting fireball. As that light dissipates, the characteristic mushroom cloud is seen billowing upwards, at the same time as a surge of water occurs at the base of the explosion. The upper part of the mushroom begins to separate from the stem, below.
Aerial view of Operations Crossroads atomic Test Able explosion at Bikini Atoll. Intense flash is followed bu typical mushroom cloud rising from detonation point.
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