31. Seamen aboard a submarine, possibly a U-boat. The destroyer in the background is pennant number H65. Photograph ... Date: c1919 Image ID PBIB_NAV_421
32. Royal Navy seamen aboard a submarine. To the right are submarines U117, UB148 and AK1.
Photograph thought to be taken at Harwich between November 1918 and May ... Date: c1919 Image ID PBIB_NAV_423