80-G-35665:  Appendectomy performed onboard USS Silversides (SS-263) while the ship was engaged in war patrol in enemy controlled waters, December 22, 1942.  Shown:  PM1 Thomas A. Moore, (left), is shown tying up the stub of appendix.  The operation was performed while submerged.  Official U.S. Navy Photograph, now in the collections of the National Archives.  (2017/06/13).
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