The 542d Combat Sustainment Wing brings together 2,835 people with a budget of $4.4B. The Wing installs, distributes, modernizes and sustains combat systems for DoD and FMS customers. It is responsible for life-cycle management of more than 800 systems valued at $56.2B, and contracts in excess of $8B. The Wing's portfolio includes electronic warfare and avionics systems, support equipment, vehicles, basic expeditionary airfield resources, life support systems, automatic test systems and equipment, missiles and weapons, and the USAF Metrology and Calibration Program. It is also responsible for technical and engineering data procurement, management and sustainment; initial provisioning support for new systems and equipment, establishing buy and repair requirements, initiation of procurement action for replenishing spares, equipment and services, technical assistance and engineering support, and oversees depot level repairables, modification and overhaul requirements. It is responsible for center level mission/business area management and oversight of supply chain activities and processes applicable to product support. The Wing provides AF representation to the DoD ATS Management Board, and the Joint Panel for Aviation Support Equipment. Phone number: (478) 222-3150.