Covers events relating to the Operation Greenhouse atomic tests. Shows U.S. troops and men at an American outpost at Enewetak Atoll (sometimes spelled Eniwetok or Eniewetok) in Marshall Islands. A water pumping station on the island. Boats and small planes provide transport facility on the island. The test island serve as a learning ground to U.S. Army, Navy and Air Force. Tanks fitted with measuring instruments are stationed near the Zero Tower to measure the radioactivity ,heat and pressure generated at the time of blast. Reinforced concrete buildings are build to withstand the atomic blast. Test objects like an airplane wing and fuselage section are positioned to study the effect of blast on them. U.S. parachute troopers stand beside a transport plane. Commander and his crew at the Joint Task Headquarters in Perry Islands,USA, make final decisions before the atomic test on Enewetak. Unmanned B-17s and fighter jets take off at night to collect valuable information during the blast. View of the atomic bomb explosion and its effect on the buildings at the test island.
First air drop test of a thermonuclear weapon. The weapon was dropped from a USAF B-52 bomber (not seen) that flew from Fred Island, Eniwetak (sometimes spelled Enewetak or Eniewetok), on May 21, 1956. View appears to be from an aircraft flying above altocumulus clouds, below higher stratiform layers. The film begins with a complete whiteout from the initial fireball. As that subsides, local stratiform clouds take on a rosy hue and the center fireball is seen rising above them. As the fireball rises, it takes on a somewhat hemispherical shape, flat on the bottom, from which a straight stem-like column extends toward the ground. The light of the explosion slowly fades and complete darkness ensues. Official accounts state that the intended ground zero was directly over Namu Island, but the flight crew mistook an observation facility on a different island for their targeting beacon with the result that the weapon delivery was grossly in error. The bomb detonated some 4 miles off target over the ocean northeast of Namu. As a result essentially all of the weapons effects data was lost. ( Note: According to ancillary reports, the delivery error resulted in blast overpressures and thermal effects on the 6 structural response targets between Iroij and Namu Islands, greatly exceeding specifications for any use in scientific military modeling of high yield aerial detonations. Plans for graded damages analysis failed when all the structures collapsed. Effects cameras also failed from the intense fireball heat.)
Covers the events just before the atomic bomb tests (Operation Sandstone) on the Enewetak Atoll (sometimes spelled Eniwetok or Eniewetok) in the Marshall Islands. U.S. parachute troopers board a transport plane. Scenes of men working on communication systems. Tests and experiments are conducted in the laboratories and valuable data collected. Light aircraft is used to ferry scientists from one point to another. An air laboratory inside a plane to collect valuable information. Men prepare to leave Eniwetok. Scientists and technicians make a last minute inspection of all the necessary instruments before leaving the island. U.S. ships loaded with men move to safer water. Unmanned B-17 drone aircraft takes off to capture traces of the atomic cloud. Men prepare to trigger the atomic bomb on the Eniwetok atoll.
Shows one of the many raydist site (HF & MF relay station) situated on the Bikini and Eniwetok atolls in Marshall Islands,Pacific Ocean . Aircraft carrier, USS Badoeng Strait in the Pacific Ocean. Several receiving antennas near radar trailers on the aircraft carrier. Radar dish on top of trailers on the Bikini atoll. Man checks radar antenna on top of trailer. Aerial shots of shoreline radar installations, an AFB and living quarters located on lagoon. Several United States Aircrafts that participated in Project Red Wing can be seen on the AFB.
B-52 lands on an airstrip at the Eniwetok Atoll In Marshall Island. Man checks over B-57 with a geiger counter with two men seated in cockpit . Nose art of aircraft reads 'The Prowler' and shows a picture of a woman kneeling. A F-101 on ramp. Cameraman takes a photo of aircraft damage . Several U.S. Air Force aircraft such as F-101, B-66, B-47, F-84F's and others at the air base.
Atomic bomb test (Operation Greenhouse) on the Enewetak Atoll (sometimes spelled Eniwetok or Eniewetok) in the Marshall Islands. Animation shows the effects of an atomic blast. Men suspend various reading instruments from a bomb-shaped plastic balloon that will provide valuable readings at the time of atomic blast. Banks of high speed cameras are planted close to the tower holding the fissionable material (Zero Tower). Radioactive measuring instruments are planted on the islands. Scientists and technicians perform a last minute check of the necessary instruments before leaving the island. A view of the Zero Tower. Men leave the island and detonate the bomb. Mushroom cloud of the atomic blast at a distance. Men in boats at a safe distance watch the explosion wearing protective eye glasses.
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