Keywords: SSN-724 Crest.jpg USS Louisville SSN-724 Crest 190px PD-USGov original upload log page en wikipedia SSN-724_Crest jpg 2008-07-29 16 18 Subman758 157×157× 26032 bytes <nowiki>USS Louisville SSN-724 Crest</nowiki> USS Louisville SSN-724 United States Navy submarine emblems 724 Horseshoes in heraldry |