Sailors gather equipment on a Mark VI patrol boat prior to conducting a joint search-and-rescue exercise with the “Island Knights” of Helicopter Sea Combat Squadron 25 and Coast Guard Sector Guam in Guam, Feb. 23, 2018. CRS-4, assigned to Coastal Riverine Group 1, Det. Guam, is capable of conducting maritime security operations across the full spectrum of naval, joint and combined operations. It also provides port security, embarked security and theater security operations around the U.S. 7th Fleet area of operations. Navy photo by Petty Officer 3rd Class Heather C. Wamsley