|Description=Private [[yacht]] ''Orca'' prior to her 1917-1918 [[United States Navy]] service as [[patrol vessel]] [[USS Orca (SP-726)|USS ''Orca'' (SP-726)]] |Source=http://www...
|Description=[[United States Navy]] [[patrol vessel]] [[USS Orca (SP-726)|USS ''Orca'' (SP-726)]] exercising at [[Rockland Section Base]], [[Rockland,...
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