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Operation Hardtack I was a series of 35 nuclear tests conducted by the United States from April 28 to August 18 in 1958 at the Pacific Proving Grounds. [1] [2]: 212 At the time of testing, the Operation Hardtack I test series included more nuclear detonations than the total of prior nuclear explosions in the Pacific Ocean.
Operation Argus was a series of United States low-yield, high-altitude nuclear weapons tests and missile tests secretly conducted from 27 August to 9 September 1958 over the South Atlantic Ocean. [1] [2] The tests were performed by the Defense Nuclear Agency.
Included the largest atmospheric test in CONUS. Project 58+58A: 1957 4: 4: 1: small to 1 1: Four more safety tests. Hardtack I: 1958 35: 35: 35: 0 to 9,300 35,628: A series in the Pacific Proving Ground, including three rocket boosted high altitude tests called Operation Newsreel. Argus: 1958 3: 3: 3: 2 4: Also known as Operation Floral before ...
On August 1, 1958, Redstone rocket launched nuclear test Teak that detonated at an altitude of 77.8 km (48.3 mi). On August 12, 1958, Redstone #CC51 launched nuclear test Orange to a detonation altitude of 43 km (27 mi). Both were part of Operation Hardtack I and had a yield of 3.75 Mt
Hardtack Teak, 1958 Frame of the Starfish Prime nuclear test. High-altitude nuclear explosions are the result of nuclear weapons testing within the upper layers of the Earth's atmosphere and in outer space. Several such tests were performed at high altitudes by the United States and the Soviet Union between 1958 and 1962.
The 1958 report from Christmas Island to the nuclear programme’s secret UK headquarters says that there were blood tests for Squadron Leader Terry Gledhill showing “gross irregularity”.
Two "low-order" explosions occurred during the two hours that the plane and weapons burned. The nuclear capsule was recovered intact with minor damage. [21] The "pit" of the bomb itself melted and re-solidified within the weapon case. [10] January 31, 1958 Sidi Slimane Air Base, Morocco Nuclear bomb damaged in crash [34]
August 23 – President Dwight D. Eisenhower signs the Federal Aviation Act of 1958, transferring all authority over aviation in the U.S. to the newly created Federal Aviation Agency (FAA, later renamed Federal Aviation Administration). August 27 – Operation Argus: The United States begins nuclear tests over the South Atlantic.