Flight Line Eleven Mi-17 transport helicopters of the 309th Aerospace Maintenance and Regeneration Group are prepared for transport to Ukraine on the flight line at Davis-Monthan Air Force Base, Ariz., Apr. 22, 2022. The Defense Department is delivering the aircraft to enhance Ukraine’s ability to transport troops around the battlefield and augment the five transport helicopters sent earlier this year. SHARE: Download: Full Size (0.75 MB) Tags: air force, Ukraine Support Credit: Air Force Staff Sgt. Kristine Legate VIRIN: 220422-F-PV484-2001.JPG Photo Gallery