AAR Corp is engaged in providing products and services to aviation, government, and defense market. It operates in three segments namely Parts Supply, Repair & Engineering, and Integrated Solutions. The parts supply segment majorly consists of sales and leasing of USM and aftermarket distribution of new, OEM-supplied replacement parts. Repair & Engineering segment provides airframe maintenance, component repair, and landing gear overhaul services. Integrated Solutions segment majorly consists of its fleet management and operations of customer-owned aircraft, customized performance-based supply chain logistics programs in support of the U.S. Department of Defense and foreign governments, flight hour componentinventory and repair programs for commercial airlines.