UFO at the epicenter of an underwater nuclear explosion in 1958

(ORDO NEWS) — An underwater atomic explosion at Eniwetok Atoll (Marshall Islands) in the Pacific Ocean on May 16, 1958. The test code name is Wahoo, the charge is a 9 kiloton Mark 7 tactical atomic bomb at a depth of 150 m.

An unidentified object appears in the frame just before the explosion and falls into its epicenter. In the history of this test, codenamed “Wahoo”, there is no data on the use of aircraft or unmanned aerial vehicles launched over the epicenter of the explosion.

Description of tests:

May 16, 1958 A second after the explosion, a dome was formed, which after seven seconds reached a height of 260 m. The general shape of the dome resembled a cone with sides inclined at an angle of 45 degrees. After six seconds, plumes were visible breaking through the dome in all directions. The vertical plume continued to rise up to 12 seconds after the explosion, and the side plumes moved for 20 seconds before collapsing.

The dome was approximately 3,800 feet (1,200 m) in diameter at the 20 second mark. The base burst reached a radius of 8,000 feet (2,400 m) upwind in 1.7 seconds. The wind wave with a wind speed of 15 knots (17 mph; 28 km / h) reached a speed of 21 knots (24 mph; 39 km / h).

When the dome and main splash dissipated, a foam patch could be seen spreading from the surface of the water to over 6,000 feet (1,800 m).

The nuclear explosion was designed for 9 kilotons of TNT (38 TJ). All precipitation remained within the predicted precipitation zone with a maximum rate of 0.030 R / h.

The target ship at a distance of 5,900 yards (3.4 miles; 5.4 km) was directly hit by the shockwave, which caused the entire ship to vibrate and shake violently. The seagoing merchant ship Moran, moored at 2,346 feet (715 m), was immobilized due to shockwave damage to the main and auxiliary equipment and minor damage to the hull.

One hour and ten minutes after detonation, a five-gallon water sample was taken directly above the explosion site, which showed 5 R / hr. An hour and thirty-five minutes later, the search team reached the level of 3.8 R / hour.

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