DOUBLE DUTY U.S. Navy Lt. j.g. John Sines, left, and Lt. Andres Aviles scan the horizon through periscopes aboard the attack submarine USS Santa Fe during a transit of the Pacific Ocean, Jan. 29, 2010. Sines is a damage control assistant and Aviles is a navigation operation officer. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 150043-S-BWR18-174.jpg Photo Gallery