This is a firm fixed-price purchase order awarded by the Air Education and Training Command, a defense agency, to Rockwell Collins, Inc. (doing business as Collins Aerospace Government Systems) for the repair of AN/ARC-210 receiver-transmitters. The contract, valued at $81,920.00, does not have a set-aside designation. The contract was awarded on a sole-source basis to the original equipment manufacturer, Rockwell Collins, under the authority of 10 U.S.C. 2304(c)(1). Rockwell Collins is a subsidiary of the parent company RTX Corporation (formerly Raytheon Technologies), a leading aerospace and defense contractor. This contract is likely part of a larger effort by the Air Force to maintain and sustain its ARC-210 communication systems, which are critical for various military aircraft platforms.