AAR Supply Chain, Inc., Wood Dale, Illinois, has been awarded a $48,613,215 firm-fixed-price contract for gas turbine power units. This was a sole-source acquisition using justification 10 U.S.C. 2304 (c)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a one-time buy contract with no option periods. The performance completion date is Aug. 1, 2026. Using military service is Army. Type of appropriation is fiscal 2022 through 2026 Army working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Redstone Arsenal, Alabama (SPRRA1-22-F-0207).