AAR Corp. provides products and services to commercial aviation, government, and defense markets worldwide. The Aviation Services segment offers aftermarket support and services; inventory management and distribution services; and maintenance, repair, and overhaul, as well as engineering services. This segment also sells and leases new, overhauled, and repaired engine and airframe parts, and components; and provides inventory and repair programs, warranty claim management, and outsourcing programs for engine and airframe parts and components, as well as performance-based supply chain logistics programs in support of the U.