Four U.S. Army units took part in the Operation Buster–Jangle "Dog" test for combat maneuvers after the detonation of a nuclear weapon took place.

These units consisted of: Personnel were instructed to create foxholes and construct gun emplacements and bunkers in a defensive position 11 km south of the detonation area.

While traveling closer to ground zero, troops witnessed the nuclear weapon's effects on the fortifications that were placed in the location in preparation for the tests.

The Human Resources Research Office was tasked with gathering data on the psychological experiences of the troops after witnessing such a detonation and moving closer towards the affected area.

[1] For the Operation Buster–Jangle series of tests, the Atomic Energy Commission created a set of criteria that must be followed if exposing armed forces, or civilians to the harmful effects of ionizing radiation.