Lockheed Martin has received a $111.4 million contract modification from the U.S. Air Force for sustainment of the F-22 Raptor fleet, resulting in a contract value of $709 million. This modification is for the 2010 Follow-On Agile Sustainment for the Raptor (FASTeR) contract, which was issued initially in 2008 and extended in 2009. FASTeR is a Performance-Based Logistics contract providing weapon systems sustainment of the F-22 fleet at all operational bases for the 2010 calendar year, including training systems, customer support, integrated support planning, supply chain management, aircraft modifications and heavy maintenance, sustained engineering, support products, and systems engineering. F-22 Raptors are assigned to seven U.S. bases. Flight testing takes place at Edwards AFB, CA. Operational tactics development is ongoing at Nellis AFB, NV. Pilot training occurs at Tyndall AFB, FL. Operational F-22 aircraft are assigned to Langley AFB, VA; Elmendorf AFB, AK; Holloman AFB, NM; and Hickam AFB, HA.