E.G. Middleton, Inc. contractors prepare to energize a transformer as the sun comes up over Joint Base Langley-Eustis, Virginia, March 12, 2025. JBLE conducted the Energy Resilience Readiness Exercise to identify any hidden vulnerabilities and verify that backup systems and processes function as expected with no mission impacts. (U.S. Air Force photo by Tech. Sgt. Cherish Chavez)