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Operation Crossroads was a pair of nuclear weapon tests conducted by the United States at Bikini Atoll in mid-1946. They were the first nuclear weapon tests since Trinity on July 16, 1945, and the first detonations of nuclear devices since the atomic bombing of Nagasaki on August 9, 1945.
Walter Haut was born in Chicago, Illinois, on June 3, 1922.During World War II, he was a bombardier flying 35 missions against Japan. At Operation Crossroads, the A-bomb tests at the Bikini atoll in the summer of 1946, he dropped instrument packages to record data from the bomb blasts.
Jesse Antoine Marcel Sr. (May 27, 1907 – June 23, 1986) was a lieutenant colonel in the United States Air Force who helped administer Operation Crossroads, the 1946 atom bomb tests at the Bikini Atoll.
Hynek was the leading scientific consultant for Project Blue Book and claimed that UFOs studies had the potential to advance scientific knowledge. Pope oversaw Great Britain's UFO desk from 1991 to 1994 and maintained that "whatever the true nature of this phenomenon, it raises important defence, national security and air safety issues". [2]
The first series of tests over Bikini Atoll in July 1946 was codenamed Operation Crossroads. The first bomb, named Able, was dropped from an aircraft and detonated 520 ft (160 m) above the target fleet. The second, Baker, was suspended under a barge. It produced a large Wilson cloud and contaminated all of the target ships.
In March, the attack transport was ordered to Pearl Harbor for "Operation Crossroads", the atomic bomb tests scheduled to take place at Bikini Atoll in July. She set sail from Oahu on 2 April and proceeded via Kwajalein and Eniwetok to Bikini with supplies and equipment. She returned to Pearl Harbor early in May to take on more cargo and ...
Edward James Ruppelt (July 17, 1923 – September 15, 1960) was a United States Air Force officer probably best known for his involvement in Project Blue Book, a formal governmental study of unidentified flying objects (UFOs).
Leslie Richard Groves Jr. (17 August 1896 – 13 July 1970) was a United States Army Corps of Engineers officer who oversaw the construction of the Pentagon and directed the Manhattan Project, a top secret research project that developed the atomic bomb during World War II.