|Atomic bombings of Hiroshima and Nagasaki|
|Part of the Pacific War, World War II|
|mushroom clouds over Hiroshima (left) and Nagasaki (right)|
| United States|
|Commanders and leaders|
| William S. Parsons|
Paul W. Tibbets, Jr.
|Manhattan District: 50 U.S., 2 British|
509th Composite Group: 1,770 U.S.
|Second General Army:|
Hiroshima: 40,000 (5 Anti-aircraft batteries)
Nagasaki: 9,000 (4 Anti-aircraft batteries)
|Casualties and losses|
|20 British, Dutch, and US prisoners of war killed|