Julin Divider, 23 September 1992 - The last US nuclear test

Fired 15:04:00.0 PST, 23 September 1992, Divider as a part of Operation Julin was the last US nuclear test. The yield is officially reported as less than 20 kt, but is publicly estimated to have been 5 kt. The test was of a Los Alamos device and was fired in hole U3ml at a depth of 426 m (1,398 ft).