S-525-A
25 photographs of the explosion, taken from ground level, during the first 23 seconds after the initial detonation. Prints are numbered sequentially from 1 through 30, taken at intervals of one second or less, with a clock image in the upper right hand corner of each view. Prints 1, 2, 7, 13, 17, and 28 area cataloged into the NH image series as: NH 96239-96244. Ships identifiable in views include (from left): USS Pennsylvania, USS New York, USS Salt Lake City, ex-Japanese BB Nagato, and USS Nevada.

S-525-B
7 photographs taken from an aircraft, identified as PBM “W”, during the first 16 seconds after detonation. Prints are numbers sequentially from right corner in each view. Prints 9, 10, 13, 16, and 20 area cataloged into the NH image series as: NH 96245-NH06249. Ships identifiable in views include (from left): USS Salt Lake City, USS New York, ex-Japanese BB Nagato, USS Nevada USS Pennsylvania, and USS Pensacola.

S-525-C
7 photographs taken from an aircraft, identified as PBM “U”, during the first ten seconds after detonation. Prints are numbered sequentially 3-12. There is no clock image on the prints. Times were determined on basis of comparison with photos from two other series. Identified ships include (from left): USS Pensacola, USS Saratoga, USS Pennsylvania, USS New York, and USS Salt Lake City. Prints 3, 5, and 12 are cataloged into the NH image series as: NH 96250-NH96252.