Guardians of the Pacific
U.S. Air Force Staff Sgt. Bruce Freed, 909th Air Refueling Squadron KC-135 Stratotanker boom operator, manipulates boom controls during air-to-air refueling operations over the vicinity of the East China Sea Sept. 18, 2017. The 909th ARS conducts around-the-clock joint and bilateral training in support of all air operations units dedicated to protecting the Indo-Asia Pacific Theater. (U.S. Air Force photo by Staff Sgt. Peter Reft)