Sailors assigned to Coastal Riverine Squadron Two (CRS-2) get underway on a Coastal Riverine Group One, Det Guam Mark VI Patrol Boat during Valiant Shield 2016 in Santa Rita, Guam, Sep. 17, 2016. Valiant Shield is a biennial U.S. Air Force, Navy and Marine Corps exercise held in Guam, focusing on real-world proficiency in sustaining joint forces at sea, in the air, on land and in cyberspace. (U.S. Navy Combat Camera photo by Mass Communication Specialist 1st Class Arthurgwain L. Marquez/Released)