John W. Mansfield, left, civilian master of the Military Sealift Command offshore petroleum distribution system USNS VADM K. R. Wheeler (T-AG 5001), gives a guided tour of his ship.

BUSAN, Republic of Korea (Mar. 16, 2013) John W. Mansfield, left, civilian master of the Military Sealift Command offshore petroleum distribution system USNS VADM K. R. Wheeler (T-AG 5001), gives a guided tour of his ship to active and reserve members of the United States, Republic of Korea and Australian militaries. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joshua B. Bruns) File# 130316-N-TB410-102