5 photographs, approx. 16 x 20 in. or smaller. Each color and silver gelatin prints on Harman fiber paper of nuclear detonations, preparations, and aftermath as part of the Operation Plumbbob series of tests. All but one matted.

The Operation Plumbbob tests were conducted from 28 May-7 October 1957, with the aim of testing design principles for nuclear warheads that could be mounted on intercontinental ballistic missiles, as well as to understand the ways in which a nuclear blast could affect military and civil structures and vehicles.