![U.S. Air Force Senior Airman Jarmarkus Boyd, 75th Aircraft Maintenance Unit dedicated crew chief, assists Lt. Col. Stephen Joca, 75th Fighter Squadron commander, during a preflight inspection, April 6, 2021, at Moody U.S. Air Force Senior Airman Jarmarkus Boyd, 75th Aircraft Maintenance Unit dedicated crew chief, assists Lt. Col. Stephen Joca, 75th Fighter Squadron commander, during a preflight inspection, April 6, 2021, at Moody](https://c8.alamy.com/comp/2GKF6C9/us-air-force-senior-airman-jarmarkus-boyd-75th-aircraft-maintenance-unit-dedicated-crew-chief-assists-lt-col-stephen-joca-75th-fighter-squadron-commander-during-a-preflight-inspection-april-6-2021-at-moody-air-force-base-georgia-along-with-the-responsibility-of-being-assigned-to-a-specific-aircraft-it-is-tradition-to-paint-the-dedicated-crew-chiefs-name-on-the-side-of-their-appointed-jet-2GKF6C9.jpg)
U.S. Air Force Senior Airman Jarmarkus Boyd, 75th Aircraft Maintenance Unit dedicated crew chief, assists Lt. Col. Stephen Joca, 75th Fighter Squadron commander, during a preflight inspection, April 6, 2021, at Moody
Colombian Air Force commander visits McEntire Joint National Guard Base > National Guard > State Partnership Program News - The National Guard
![Chief Master Sgt. Steve McDonald, Air Combat Command command chief, hands a helmet to Lt. Col. Todd Larsen, 5th Reconnaissance Squadron commander, during preflight preparations at Osan Air Base, Republic of Korea, Chief Master Sgt. Steve McDonald, Air Combat Command command chief, hands a helmet to Lt. Col. Todd Larsen, 5th Reconnaissance Squadron commander, during preflight preparations at Osan Air Base, Republic of Korea,](https://c8.alamy.com/comp/P451DA/chief-master-sgt-steve-mcdonald-air-combat-command-command-chief-hands-a-helmet-to-lt-col-todd-larsen-5th-reconnaissance-squadron-commander-during-preflight-preparations-at-osan-air-base-republic-of-korea-june-16-2016-mcdonald-toured-several-geographically-separated-acc-units-at-osan-including-the-5th-rs-which-is-part-of-the-9th-reconnaissance-wing-at-beale-air-force-base-calif-us-air-force-photo-by-senior-airman-victor-j-caputoreleased-P451DA.jpg)