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AAR Corp. provides products and services to commercial aviation, government, and defense markets worldwide. It operates through Aviation Services and Expeditionary Services segments. The Aviation Services segment engages in lease and sale of new, overhauled and repaired engine, and airframe parts and components, as well as aircrafts; and offers customized flight hour component inventory and repair, warranty claim management, and outsourcing programs for engine and airframe parts and components. This segment also provides fleet management and operations of customer-owned aircraft for the U.S. Department of State; customized performance-based supply chain logistics programs, which includes material planning, sourcing, logistics, information and program management, airframe and maintenance planning, and component repair, and overhaul services for U.S. Department of Defense and foreign governments. Further, it offers airframe inspection, maintenance, repair and overhaul, painting services, line maintenance, modifications, structural repairs, avionics service and installation, exterior and interior refurbishment, and engineering services and support; and repair and overhaul components including landing gears, wheels, and brakes for commercial and military aircraft; and operates six airframe maintenance facilities and one landing gear overhaul facility. The Expeditionary Services segment designs, manufactures, and repairs transportation pallets and containers and shelters for military and humanitarian tactical deployment activities, including armories, supply and parts storage, refrigeration systems, tactical operation centers, briefing rooms, laundry and kitchen facilities, water treatment, and sleeping quarters, as well as engages in provision of engineering, design, and system integration services for specialized command and control systems. AAR Corp. was founded in 1951 and is headquartered in Wood Dale, Illinois.

Kratos Defense & Security Solutions, Inc. operates as a technology company that addresses the defense, national security, and commercial markets. It operates through two segments, Kratos Government Solutions and Unmanned Systems. The company offers ground systems for satellites and space vehicles, including software for command and control, telemetry, and tracking and control; jet-powered unmanned aerial drone systems, hypersonic vehicles, and rocket systems; propulsion systems for drones, missiles, loitering munitions, supersonic systems, spacecraft, and launch systems; command, control, communication, computing, combat, intelligence surveillance and reconnaissance; and microwave electronic products for missile, radar, missile defense, space, and satellite; counter unmanned aircraft systems, directed energy, communication and other systems, and virtual and augmented reality training systems for the warfighter. The company primarily serves national security-related agencies, the U.S. Department of Defense, intelligence agencies and classified agencies, international government agencies, and commercial customers. Kratos Defense & Security Solutions, Inc. was incorporated in 1994 and is headquartered in San Diego, California.

Virgin Galactic Holdings, Inc., an aerospace and space travel company, focuses on the development, manufacture, and operation of spaceships and related technologies. The company engages in the design and development, manufacturing, ground and flight testing, spaceflight operation, and post-flight maintenance of spaceflight systems for private individuals, researchers, and government agencies. Virgin Galactic Holdings, Inc. is headquartered in Tustin, California.

Triumph Group, Inc. designs, engineers, manufactures, repairs, overhauls, and distributes aerostructures, aircraft components, accessories, subassemblies, and systems worldwide. It operates in two segments, Triumph Systems & Support, and Triumph Interiors. The company offers aircraft and engine-mounted accessory drives, thermal control systems and components, cargo hooks, high lift actuations, cockpit control levers, hydraulic systems and components, control system valve bodies, landing gear actuation systems, electronic engine controls, landing gear components and assemblies, exhaust nozzles and ducting, main engine gearbox assemblies, geared transmissions and drive train components, main fuel pumps, fuel-metering units, primary and secondary flight control systems, and vibration absorbers. It also provides thermo-acoustic insulation systems, environmental control system ducting, and other aircraft interior components. In addition, the company offers air cycle machines, blades and vanes, auxiliary power units, constant speed drives, combustors, engine and airframe accessories, stators, flight control surfaces, transition ducts, integrated drive generators, sidewalls, nacelles, light assemblies, remote sensors, overhead bins, thrust reversers, and fuel bladder cells, as well as cabin panes, shades, light lenses, and other components. It serves original equipment manufacturers of commercial, regional, and military aircraft. The company was incorporated in 1993 and is headquartered in Radnor, Pennsylvania.