The aircraft carrier USS Carl Vinson and the Indian navy fleet oiler INS Shakti conduct Malabar 2012, a refueling exercise while under way in the Indian Ocean, April 13, 2012. The exercise allows U.S. and Indian sailors to participate in joint communications training, surface action group operations, helicopter cross-deck evolutions and gunnery exercises. U.S. Navy photo by Petty Officer 2nd Class James R. Evans