Okinawa, JAPAN (Mar. 5, 2015) Mine countermeasures ship USS Patriot (MCM 7) departs White Beach Naval Facility, Okinawa. Patriot is assigned to Mine Countermeasures Squadron (MCMROM) 7 and Task Force (CTF) 76. (U.S. Navy photo by Lt. David Levy/Released) – Mashū (AOE-425) is the lead ship of the Mashū-class replenishment ships of the Japanese Maritime Self-Defense Force. She was commissioned on 3 April 2006