NORFOLK, Va. – A 2013 Lugoff-Elgin High School graduate and Lugoff native is serving on one of the world’s largest warships, the U.S. Navy aircraft carrier USS George H.W. Bush. Petty Officer 3rd Class Shawn Greenlief is a machinist’s mate aboard the Norfolk-based ship, a Nimitz-class nuclear-powered aircraft carrier and one of only 10 operational aircraft carriers in the Navy today. Named in honor of former President George H.W. Bush, the carrier is longer than three football fields, at nearly 1,100 feet long.