![U.S. Air Force Tech. Sgt. James Supernault, 435th Contingency Response Squadron air traffic controller, uses a radio to communicate wind speed and direction as part of an alternate landing site operation at U.S. Air Force Tech. Sgt. James Supernault, 435th Contingency Response Squadron air traffic controller, uses a radio to communicate wind speed and direction as part of an alternate landing site operation at](https://c8.alamy.com/comp/2GK7N59/us-air-force-tech-sgt-james-supernault-435th-contingency-response-squadron-air-traffic-controller-uses-a-radio-to-communicate-wind-speed-and-direction-as-part-of-an-alternate-landing-site-operation-at-poroyna-highway-bulgaria-during-thracian-summer-2021-aug-27-2021-thracian-summer-2021-is-a-bilateral-exercise-between-us-military-members-and-bulgarian-armed-forces-designed-to-enhance-interoperability-joint-readiness-and-deterrence-efforts-2GK7N59.jpg)
U.S. Air Force Tech. Sgt. James Supernault, 435th Contingency Response Squadron air traffic controller, uses a radio to communicate wind speed and direction as part of an alternate landing site operation at
![U.S. Army 1st Sgt. Chharith Oeun, 54th Brigade Engineer Battalion, 173rd Airborne Brigade first sergeant, conducts a radio check May 10, 2021, at Cheshnegirovo Air Base, Bulgaria. Participants of Swift Response 21 U.S. Army 1st Sgt. Chharith Oeun, 54th Brigade Engineer Battalion, 173rd Airborne Brigade first sergeant, conducts a radio check May 10, 2021, at Cheshnegirovo Air Base, Bulgaria. Participants of Swift Response 21](https://c8.alamy.com/comp/2GKK1BT/us-army-1st-sgt-chharith-oeun-54th-brigade-engineer-battalion-173rd-airborne-brigade-first-sergeant-conducts-a-radio-check-may-10-2021-at-cheshnegirovo-air-base-bulgaria-participants-of-swift-response-21-conducted-a-final-dress-rehearsal-of-the-exercise-the-morning-before-several-hundreds-of-paratroopers-jumped-onto-the-air-base-2GKK1BT.jpg)
U.S. Army 1st Sgt. Chharith Oeun, 54th Brigade Engineer Battalion, 173rd Airborne Brigade first sergeant, conducts a radio check May 10, 2021, at Cheshnegirovo Air Base, Bulgaria. Participants of Swift Response 21
![U.S. Air Force Senior Airman Sean Gilliland, 435th Contingency Response Squadron radio frequency transmissions systems technician, prepares for joint forcible entry into Cheshnegirovo Airfield, Bulgaria, during exercise Swift Response 21 at Pápa U.S. Air Force Senior Airman Sean Gilliland, 435th Contingency Response Squadron radio frequency transmissions systems technician, prepares for joint forcible entry into Cheshnegirovo Airfield, Bulgaria, during exercise Swift Response 21 at Pápa](https://c8.alamy.com/comp/2GKK1BY/us-air-force-senior-airman-sean-gilliland-435th-contingency-response-squadron-radio-frequency-transmissions-systems-technician-prepares-for-joint-forcible-entry-into-cheshnegirovo-airfield-bulgaria-during-exercise-swift-response-21-at-ppa-air-base-hungary-may-10-2021-the-435th-contingency-response-group-attached-to-the-435th-air-ground-operations-wing-located-at-ramstein-air-base-germany-is-the-only-contingency-response-force-in-the-us-air-force-that-maintains-an-airborne-insertion-capability-2GKK1BY.jpg)