Operation Tumbler Snapper - US Dept. of Energy declassified film. "Operation Tumbler Snapper consisted of eight nuclear shots in two phases. The Tumbler phase was of primary concern to the Department of Defense, which called for airdropped nuclear weapons effects tests. The Snapper second phase was a set of experiments conducted by the Atomic Energy Comission and the Los Alamos Scientific Laboratory to help improve effects of nuclear weapons. ...The news media was invited to view the Charlie nuclear detonation, a first at the Nevada Proving Ground." Able, Baker, Charlie, Dog, Easy, Fox, George, How (names of the shots detonated).