The "grinder"--a marching field for US Navy recruits--is located in the center of the
John Paul Jones section of the Naval Training Station, San Diego, 1939.
Above photo illustrates Radioman, Chapter 3 ("Basic Training"), page 15
Source of Photo: Ray Daves Collection
Built in 1928, the indoor swimming pool at Naval Training Station San Diego was 60' long, 25' wide, and 8' deep.
Above photo illustrates Radioman, Chapter 3 ("Basic Training"), page 16
Source of Photo: National Archives, arc # 295561
Above document illustrates Radioman, Chapter 3 ("Basic Training"), page 16
Source of Document: Ray Daves Collection

Ray Daves, 19, Naval Training Station San Diego, July 1939.
[White "seaman's stripe" on right shoulder of the dress blue uniform indicates sailor is
"unrated"--not yet trained in any U.S. Navy specialty. Eagle emblem--also called "the crow"--and
square knot insignia with chevron on right sleeve indicates Apprentice Petty Officer, Third Class.]
Above photo ilustrates Radioman, Chapter 3 ("Basic Training"), page 17
Source of photo: Ray Daves Collection
Ray Daves, 19, in "undress white" uniform, Naval Training Station San Diego, August
1939.
[Barrel-like objects in background are depth charges--an offensive weapon found on many
US Navy ships (especially destroyers), prior to and during World War II.]
Above photo illustrates Radioman, Chapter 3 ("Basic Training"), page 31
Source of Photo: Ray Daves Collection