180616-N-RM689-0047 TOKYO, Japan (June 16, 2018) Capt. John R. Rotruck, right, commanding officer of the Military Sealift Command hospital ship USNS Mercy (T-AH 19), gives U.S. Ambassador to Japan William F. Hagerty IV and his family a tour of Mercy prior the big top reception. Mercy is making port visits to Yokosuka and Tokyo to promote relationships between U.S. Navy Sailors and Japanese citizens through cultural exchange and bilateral training. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kelsey L. Adams/Released)