An F-22 Raptor refuels from a KC-135R Stratotanker over the Atlantic Ocean during a mission from Langley Air Force Base.

An F-22 Raptor assigned to the 27th Expeditionary Fighter Squadron pulls out of its parking shelter for a strike mission over Syria.

A crew chief looks over her tools before preparing an F-22 Raptor for a training mission at Nellis Air Force Base.

Airman 1st Class Jennifer Craig and Australian Major Matthew Harper prepare an F-22 Raptor for departure from Joint Base Elmendorf-Richardson, Alaska.

Airmen install an auxiliary power unit into an F-22 Raptor. The repair is uncommon and considered heavy maintenance.

Maintainers troubleshoot the communications, navigation and identification system on an F-22 Raptor assigned to the 95th Expeditionary Fighter Squadron.

A maintainer removes a panel from an F-22 Raptor in preparation to apply low observable coatings.

A crew chief signals the pilot to prepare to taxi on the flight line at Kadena Air Base, Japan during a deployment to the Okinawa base. The airman and aircraft are assigned to the 525th Expeditionary Fighter Squadron based at Joint Base Elmendorf-Richardson, Alaska.

F-22 Raptor 4002 fires an AIM-9 Sidewinder air-to-air missile during a separation test at 40,000 feet. Flown at a 26° angle-of-attack at only Mach 0.4, the test flight demonstrated the Raptor's ability to operate at slow speeds in a combat environment and still maintain manoeuvrability.

An F-22, in the markings of the now stood down 7th Fighter Squadron based at Holloman Air Force Base, drops an inert 1,000 lb GBU-32 JDAM on White Sands weapon range: the same class of munition used by F-22s on September 23, 2014 against ISIL targets in Syria.

Airmen prepare to load an AIM-120 AMRAAM missile into the left hand side internal weapons bay of an F-22.

The APG-77 radar's T/R module array as published by Northrop Grumman.