Electrician’s Mate Fireman Robert Prettyman, a native of Williamsport, Pa., tosses a bag containing chemical, biological and radiological safety equipment during a working party in the hangar bay of the aircraft carrier USS Ronald Reagan (CVN 76). Reagan is home-ported in San Diego and is undergoing a Planned Incremental Availability (PIA) maintenance period at Naval Base Coronado. (U.S. Navy photo by Mass Communication Specialist 3rd Class Timothy Schumaker/Released)