German submarine UB 148 at sea, part of the First World War at Sea collection.

Captured German submarine.

Resident cat mascot of HMS Queen Elizabeth, a British warship, 1915.

H.P. Lovecaft was strongly inspired to verse and fiction by the war at sea, with the likes of “The Crime of Crimes: Lusitania, 1915” and “Dagon” (1917) and “The Temple” (1920).