LAS VEGAS (FOX5) — August 7, 1957, was a busy day at the Nevada Test Site. On this day in history, Operation Plumbbob was underway in the desert north of Las Vegas. The operation included 29 explosions — all but two involving nuclear weaponry.
A variety of governmental and military organizations carried out the testing, but most focused on intercontinental and intermediate-range warheads. Some 18,000 members of the Army, Navy, Air Force, and Marines participated in Operation Plumbbob…