The USAF has a total requirement of 243 aircraft but funding was not made available for more than 187.
By September 2009, approximately 145 aircraft had been delivered to the USAF. Holloman AFB is expected to deliver another 17 aircraft by the end of 2010.
The first operational wing of F-22A Raptors was Langley AFB in Virginia with a fleet of 40 aircraft.
Elmendorff AFB, Alaska, became the second in August 2007 and Holloman AFB, New Mexico the third in June 2008. Operational Raptors will also be based at Hickam AFB Hawaii.