Overview There's never been a better time to join the shipbuilding industry. As demand for cutting-edge naval technology grows, General Dynamics Electric Boat is at the forefront-designing, building, and maintaining the most advanced submarines in the world. Our work is mission-critical, supporting the U.S. Navy and strengthening national security. About Department 471 - Commissioned Ships Propulsion Plant Mechanical Engineering D471 supports commissioned submarines and training units in the N