Members of Electronic Support Detachment Guam repair a generator at the Mt. Alutom radio site on Guam following Typhoon Mangkhut Sept. 15, 2018. The Coast Guard maintains a series of Remote Fixed Facilities supporting Rescue 21 which provides the United States with a 21st-century maritime command, control, and communications (C3) system that encompasses the entire United States. (U.S. Coast Guard photo/Released)