Type XXI submarines were a class of German diesel–electric Elektroboot (German: "electric boat") submarines designed during the Second World War. During the war only two were put into active service and went on patrols, but these were not used in combat. They were the first submarines designed to operate primarily submerged, rather than spending most of their time as surface ships that could submerge for brief periods as a means of escaping detection.

This is a accurate detailed mesh and includes the main body, and separate movile parts as propellers, stabilizers, rudder, hatches, turrets, cannons, rockets, liferafts and an interior structure with torpedo tubes, torpedoes, and a tube-launchable mine