Navy Petty Officer 3rd Class Broderick Vaclavik, assigned to Coastal Riverine Squadron 4, Detachment Guam, maintains communication with an MH-60S Sea Hawk helicopter from the “Island Knights” of Helicopter Sea Combat Squadron 25 on a Mark VI patrol boat during a joint search-and-rescue exercise with U.S. Coast Guard Sector Guam in Guam, Feb. 23, 2018. Navy photo by Petty Officer 1st Class Cory Asato