Atomic Bomb Testing in the Nevada Desert, circa 1946 (4:47)

Nothing has changed the face of military matters and defense as much as the advent of the nuclear age, which started at the end of World War II, and has loomed over U.S. strategic concerns ever since.

View Source
Internet Archive, "Atom Bomb" date unknown, (10 January 2006). Developed by Gary Keith and Mike Frost.