The Oklahoma City Air Logistics Center is the largest of 3 ALCs in the Air Force Materiel Command and provides depot maintenance, product support, services and supply chain management, as well as information support for 31 weapon systems, 10 commands, 93 Air Force bases and 46 foreign nations. The 72d Air Base Wing provides full spectrum installation support to Team Tinker and expeditionary combat capability for the warfighter. Tinker also has two tenant ACC units and hosts 2 Air Force Reserve Wings. The 552 ACW is responsible to the commander of Air Combat Command for the operations, maintenance, logistics, training, and combat support of E-3 AWACS aircraft in support of combatant commanders.