Keep in mind that we have some seemingly duplications here only because I have yet to clean up all the images with my Photo Studio software and then choose which one of the formats and resolutions to best fit what we're up to here.  Some of the dups are between an original flag, copy of same or even one put out in mass for a reunion etal.  If you're not sure of the boat, right click the pix, then properties for hull number and name...

(clickity click)

http://usssealion..com/sealion/battle_flags.htm