(Airman 1st Class Joseph Maye/U.S. Air Force)
Andersen Air Force Base, Guam -- U.S. Air Force Master Sgt. Robert Belcher, 554th Rapid Engineer Deployable Heavy Operational Repair Squadron Engineer Squadron structural supervisor, right, instructs a Republic of Singapore Air Force servicemember on how to operate machinery during the Pacific Engineer Readiness Challenge at Andersen Air Force Base, Guam, Sept. 23, 2025. The challenge was designed to train 120 service members from more than 10 participating countries on different aspects of airfield damage assessment and repair, crater repair, and tactical combat casualty care.