Assertion: warhead's yield | /r/HasProperty | fat man
Facets:
Source sentences:
text: The U.S. is the only country to have used an atomic bomb in war — the first, nicknamed Little Boy, was dropped on Hiroshima, Japan on Aug. 6, 1945 with a yield of 15 KT and the second, Fat Man, was dropped on Nagasaki, Japan on Aug. 9, 1945 with a yield of 20 KT.