150908-N-WO404-138 PACIFIC OCEAN (August 8, 2015) Capt. Chris Bolt, commanding officer of the aircraft carrier USS Ronald Reagan (CVN 76), presents Command Master Chief Spike Call with an American flag before Call's transfer to USS George Washington (CVN 73) as part of a hull swap between Ronald Reagan and George Washington. Ronald Reagan is underway off the coast of Southern California. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jonathan Nelson/Released)