22 January 2015 USNS Kocak Grounded Near Okinawa, Japan The Military Sealift Command prepositioning vessel USNS Sgt. Matej Kocak (T-AK 3005) ran aground off the East Coast of Okinawa, Japan, Jan. 22, at approximately 11:30 a.m.The vessel is located approximately 6 nautical miles off the coast of Uruma, Okinawa, Japan.The U.S. Navy is working closely with...