Keywords: USN F-class submarines;h63259.jpg ;Caption Photo NH 63259 U S Submarines F-4 F-2 F-3 F-1 at Honolulu 1914 United States Navy's four F-class submarines and their crews at Honolulu Hawaii These boats are from front to back USS F-4 SS-23 F-2 SS-21 F-3 SS-22 and F-1 SS-20 The U S Army Transport Dix is in the background Note the fish flags and 13-star boat ensigns flown by these submarines U S Naval Historical Center Photograph Photo http //www history navy mil/photos/sh-usn/usnsh-f/ss23 htm NH 63259 1914 Photographed by Noggle PD-USN F class submarines Union Iron Works F class |