The U.S. Air Force awarded Northrop Grumman Corp. a nine-year contract, worth up to $3.8 billion, to provide Contractor Logistics Support for its fleet of KC-10 Extender refueling tanker aircraft. Northrop Grumman will provide supply chain management, depot-level logistics integration and support, engine maintenance, aircraft maintenance, and modifications for the KC-10 refueling tanker. The team will perform the work at depots located at Northrop Grumman's Lake Charles Maintenance and Modification Center, Lake Charles, LA, and at teammate TIMCO Aviation Services' facility in Greensboro, NC. Northrop Grumman's other partners include AAR Corp., Chromalloy Gas Turbine LLC, and MTU Maintenance.