The production version of this Pratt & Whitney YF119-PW-100L Augmented Turbofan engine now powers the F-22 advanced tactical fighter. It allows for supersonic cruising without the use of an afterburner and contains 40% fewer parts that its predecessors to reduce maintenance.
Portent The Fat Man fission bomb was the second and last atomic weapon to be used in war. The original Fat Man was deployed over Nagasaki, Japan in August of 1945 by Bockscar, the B-29 pictured behind the bomb. It detonated with a yield of 21 kilotons at an altitude of 1,800' when high explosives compressed the plutonium core to supercritical density.
Little Boy was the first atomic weapon used in war. It was detonated over Hiroshima, Japan in August 1945 with a yield of 13-18 kilotons.
