Entering the Aerospace market in 2002, JKH currently manages five Aircraft Maintenance contracts, with more than 200 employees, repairing and maintaining both fixed and rotary wing aircraft. Functional areas include: aircraft engines, accessories, and peripherals; hydraulic systems; airframes, flight control surfaces; communications, navigation, and weapons systems; electrical systems; and egress and environmental control systems. Additionally, JKH manages four Aircraft support contracts providing warehouse, supply, engine test cell, non-destructive testing, and fuels support for aviations assets belonging to the Navy, Marine Corps, and Air Force.