National Archives, Record Group 165-WW, Fiche 1392. Thanks to Dan Treadwell for submitting the digital image to the Subchaser Archives. Caption: Building 110 ft. submarine chasers. View of a chaser. Sept. 1918. Book traversal links for Submarine chaser being built ‹ Subchasers on Mine Sweeping Duty Up The Triumphal Arch at Gibraltar ›