GUNNER POSITION A Navy SEAL climbs into the turret gunner position during a mobility training exercise through a simulated city, on San Clemente Island, Calif., Dec. 10, 2010. Navy SEALs are the maritime component of U.S. Special Operations Forces and are trained to conduct a variety of operations from the sea, air, and land. The team is assigned to Seal Team 17, a unit comprised of active and reserve component members based in Coronado, Calif. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 565975-G-CWS74-957.jpg Photo Gallery