131115-N-ED185-573 ATLANTIC OCEAN (Nov. 15, 2013) The aircraft carrier USS Theodore Roosevelt (CVN 71), the Military Sealift Command fleet replenishment oiler USNS Kanawa (T-AO 196) and the Arleigh Burke-class guided missile destroyer USS Mahan (DDG-72), transit the Atlantic Ocean before a vertical replenishment at sea. VERTREPs allow larger ships to sustain themselves at sea while deployed by moving cargo between ships via helicopter. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brian G. Reynolds/Released)
Naval Matters 