Capt. Nicholas Simmons (left) assumed command of Coast Guard Sector Guam from Capt. Christopher Chase (right) while Rear Adm. Matthew Sibley (center), commander, Coast Guard 14th District, presided during a change of command ceremony at Coast Guard Sector Guam, June 3, 2021.  (U.S. Coast Guard photo courtesy of Sector Guam) SANTA RITA, Guam — Coast Guard Sector Guam welcomed its new commander as...