High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! German submarine U-1276 was a Type VIIC/41 U-boat of the Kriegsmarine. Bremer Vulkan of Bremen-Vegesack laid down her keel on July 13, 1943. She was commissioned April 6, 1944 with Oberleutnant Karl Heinz Wendt in command. U-1276 was equipped with a submarine snorkel (underwater-breathing apparatus) when she sailed on her last cruise.