U.S. Marines and Sailors with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit (MEU) and Battalion Landing Team 2nd Battalions, 4th Marines, 31st MEU, gather to receive a safety brief from the USS Green Bay (LPD 20) personnel, while out at sea, March 11, 2015. The Marines and Sailors are currently conducting their Spring Patrol of the Asia-Pacific region. (U.S. Marine Corps photo by GySgt Ismael Pena/Released)