L-3 Electron Devices, Torrance, California, has been awarded a maximum $17,896,822 firm-fixed-price, indefinite-delivery/indefinite-quantity contract for F-16 aircraft electron tubes. This was a sole-source acquisition using justification 10 U.S. Code 2304 (c)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a five-year contract with no option periods. Location of performance is California, with a Sept. 29, 2026, performance completion date. Using military service is Air Force. Appropriation type and fiscal year varies and will be cited on each individual order. The contracting activity is the Defense Logistics Agency Aviation, Hill Air Force Base, Utah (SPRHA4-21-D-0001).