U-boat SM U-24 U-23 class Posted on June 23, 2026 by laststandonzombieisland Leave a comment The Germaniawerft-built U-23 class boat SM U-24, powered by diesels. Postkarte Photogr. u. Verlag Gebr. Lempe, Kiel Previous Next Return to Warship Wednesday 24 June 2026: Scourge of the Med