United States Armed Forces

===Air Force modernization===
[[File:B-21 Plant 42 night.jpg|thumb|[[B-21 Raider]] at [[United States Air Force Plant 42]]]]
[[File:F-15EX Eagle II.jpg|thumb|[[Boeing F-15EX Eagle II|F-15EX Eagle II]] from the [[40th Flight Test Squadron]]]]
The [[B-21 Raider]] stealth bomber is the first new Air Force bomber since the [[B-2A Spirit]]. The B-21 will replace the B-2 and the [[B-1B Lancer]], flying alongside the [[B-52 Stratofortress]].<ref name="auto10">{{cite web | url=https://aviationweek.com/shows-events/afa-air-space-cyber-conference/us-air-forces-major-modernization-programs | title=The U.S. Air Force's Major Modernization Programs &#124; Aviation Week Network }}</ref> The development of the B-21 Raider was led by the [[Department of the Air Force Rapid Capabilities Office]]. The service is also along in developing the [[LGM-35 Sentinel]] intercontinental ballistic missile to replace the [[LGM-30G Minuteman III]]s.<ref>{{cite web | url=https://www.defensenews.com/air/2023/01/10/building-a-better-bomber-how-the-stealthy-b-21-subverted-bureaucracy/ | title=The B-21 stealth bomber's first mission: Evading Pentagon red tape | date=10 January 2023 }}</ref>

The U.S. Air Force is also in the process of developing the [[Next Generation Air Dominance]] program, which will produce a [[sixth generation fighter]] to replace the [[F-22 Raptor]]. The service is also procuring the [[fourth generation fighter|fourth generation]] [[Boeing F-15EX Eagle II|F-15EX Eagle II]] to replace the aging [[F-15C Eagle]] and [[F-15E Strike Eagle]]. It is also procuring the [[T-7A Red Hawk]] trainer jet to replace the 1950s-era [[T-38 Talon]].<ref name="auto10"/>

While not an aircraft, the Air Force is investing in developing the [[AIM-260 JATM|AIM-260 Joint Advanced Tactical Missile]] to replace or supplement that [[AIM-120 AMRAAM]] for its fighter forces. It is also procuring the [[AGM-181 LRSO|AGM-181 Long Range Stand Off Weapon]] to replace the [[AGM-86 ALCM]] as a nuclear air launched cruise missile for the B-21 Raider and the B-52 Stratofortress. The air service is also investing in hypersonic weapons, with the [[AGM-183 ARRW|AGM-183 Air-Launched Rapid Response Weapon]], the [[Hypersonic Air-breathing Weapon Concept]], and the [[Hypersonic Attack Cruise Missile]] in development.<ref name="auto10"/>