25/05/1953 US conducts its first and only nuclear artillery test
Atomic Bomb Test
New Footage Shows Devastating 1953 Nuclear Bomb Test
Operation Upshot Knothole - The Firing Of The Atomic Cannon
America test fires its first Atomic artillery shell in United States. HD Stock Footage
M65 280mm Atomic Cannon
The M65 atomic cannon was tested at the Nevada Test Site as part of the Upshot–Knothole series of nuclear tests. The test—codenamed "Grable"—was attended by the Chairman-delegate of the Joint Chiefs of Staff, Admiral Arthur W. Radford and United States Secretary of Defense Charles Erwin Wilson.