Tech. Sgt. Evan Williamson, assigned to the 37th Expeditionary Maintenance Squadron, services a B-1B Lancer after it arrived at Andersen Air Force Base, Guam July 26, 2017. The 37th EBS replaced the 9th EBS from Dyess AFB, Texas, supporting U.S. Pacific Command’s Continuous Bomber Presence mission. (U.S. Air Force photo/Airman 1st Class Christopher Quail)