31st MXG partners with Bulgarian air force for readiness training
U.S. Air Force Col. Beau Diers, 31st Fighter Wing commander, and U.S. Air Force Chief Master Sgt. Daniel Lopez, 31st Maintenance Group senior enlisted leader, discuss training equipment and objectives with a Bulgarian air force maintainer during a training event at Aviano Air Base, Italy, April 1, 2026. Aviano’s 31st MXG Bulgaria Country Team previously supported Bulgaria’s F-16 program through in-country training and continues to build on that foundation through hands-on instruction. (U.S. Air Force photo by Senior Airman Tyrique Barquet)