A thermonuclear weapon, fusion weapon or hydrogen bomb is a second-generation nuclear weapon, using nuclear fusion. The most destructive weapons ever created, their yields typically exceed first-gener
Edward Teller in 1958
Operation Castle thermonuclear test, Castle Romeo shot
Casing of the Soviet Tsar Bomba, the largest nuclear weapon ever built and tested, Sarov, Russia.
Operation Grapple on Christmas Island was the first British hydrogen bomb test.
Castle Bravo was the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle. Detonated on 1 Mar
Thermonuclear weapon
…was impractical for a deployable weapon, and the next advance was to use a solid lithium deuteride fusion fuel instead. In 1954 this was tested in the "Castle Bravo" shot (the device was code-named Shrimp), which had a yield of 15 Mt (63 PJ), 2.5 times what was expected, and is the largest US bomb ever tested…
The SHRIMP device in its shot cab
Shot-cab installation of SHRIMP device, with humans for scale
Bravo SHRIMP device shot-cab
SHRIMP device delivered via truck awaiting installation