|Caption|| ||USS Proteus with submarines, Apra Harbor, Guam, circa 1960s ww2dbase|
|Source|| || ww2dbaseUnited States Navy via navsource.org|
|More on...|| |
|Added By|| ||C. Peter Chen|
|Added Date|| ||9 Sep 2018|
||Public Domain. Please support Paul Yarnall's effort with his navsource.org project.
Additionally, according to the United States copyright law (United States Code, Title 17, Chapter 1, Section 105), in part, "[c]opyright protection under this title is not available for any work of the United States Government".