1st Lt. Matt MacKenzie, of Pittsburgh, Pa., Charlie

1st Lt. Matt MacKenzie, of Pittsburgh, Pa., Charlie Company, 2nd Battalion, 228th Aviation Regiment, Fort Bragg, N.C., conducts a pre-flight inspection on a C-12 during Sabre Guardian 17 at Clay Kaserne, Germany, July 20, 2017. MacKenzie, a First Officer with PSA Airlines, a wholly owned subsidiary of American Airlines, lives and works in Charlotte, N.C., and is a graduate of Embry-Riddle University. Sabre Guardian improves interoperability, enhances confidence and security assurance between partner nations, while improving infrastructure, capability and capacity at select locations throughout Europe to ensure the U.S. Army Reserve is Trained, Equiped, and Lethal. (U.S. Army Reserve photo by Staff Sgt. Felix R. Fimbres)