Mi Midget Submarine Hull Section

A structural hull shell designed to partially build up some front, rear, or center part of a midget submarine. The item shows such features as holes, threadings, edgings, and the like, for final mounting with other components and may be provided with a specific equipment according to its location on the submarine. Under external hydraulic pressure well-proven to test its rigidity and waterproof, it is not capable of performing a complete operational function.