The 309th Maintenance Wing is a key unit within the United States Air Force. Based at Peterson Space Force Base, Colorado Springs, Colorado, its primary mission involves providing operational readiness for aircraft maintenance and associated support functions to ensure mission-capable aircraft are available for various air force missions. This includes maintenance for aircraft such as the U-2 Dragon Lady, RC-135 Rivet Joint, and HC-130J Combat King II. The wing is part of Air Force Sustainment Center (AFSC), Air Education and Training Command (AETC).