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The Mark 39 design was a thermonuclear bomb and had a yield of 3.8 megatons. [1] It weighed 6,500–6,750 pounds (2,950–3,060 kilograms), [2] and was about 11 feet, 8 inches long (3.556 meters) [2] with a diameter of 35 inches (89 cm). [2] The design is an improved Mark 15 nuclear bomb design (the TX-15-X3 design and Mark 39 Mod 0 were the ...
Comparative fireball radii for a selection of nuclear weapons. [citation needed] Contrary to the image, which may depict the initial fireball radius, the maximum average fireball radius of Castle Bravo, a 15-megatonne yield surface burst, is 3.3 to 3.7 km (2.1 to 2.3 mi), [6] [7] and not the 1.42 km displayed in the image.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
Gun-type (8–30 kilotons). Mark 12 – Light-weight bomb to be carried by fighter aircraft (12–14 kilotons). Mark 13 – Improved version of Mk-6 (cancelled August 1954). TX/Mark 14 – First deployable solid-fuel thermonuclear bomb (Castle Union device). Only five produced. (5 Megatons) Mark 15 – First "lightweight" thermonuclear weapon ...
3.8 megatons: 76.8 United States: Hardtack Orange: Johnston Island 1958-08-12 3.8 megatons: 43 United States: Argus I: South Atlantic: 1958-08-27 1-2 kilotons: 200 United States: Argus II: South Atlantic: 1958-08-30 1-2 kilotons: 256 United States: Argus III: South Atlantic: 1958-09-06 1-2 kilotons: 539 United States: Starfish Prime Johnston Island
Operation Redwing was a United States series of 17 nuclear test detonations from May to July 1956. They were conducted at Bikini and Enewetak atolls by Joint Task Force 7 (JTF7). [1]
As of 1993, worldwide, 520 atmospheric nuclear explosions (including eight underwater) have been conducted with a total yield of 545 megatons (Mt): 217 Mt from pure fission and 328 Mt from bombs using fusion, while the estimated number of underground nuclear tests conducted in the period from 1957 to 1992 is 1,352 explosions with a total yield ...
An 18 kilotons of TNT (75 TJ) land-surface type shot was detonated on a platform at the northern tip of Runit, Enewetak in the second of the 35 tests for Operation Hardtack I. [4]: 2 The initial cloud from the explosion reached as high as 19,000 feet (5.79 km) within the first ten minutes, and settled at around 15,000 feet (4.57 km) by 20 ...