F-15Cs retired as part of the "CAF Redux" bake in the Arizona sun in 2012, with Spraylat coverings over their canopies, engine inlets and other openings against their potential return to service. The Air Force now wants to expedite the retirement of the remaining F-15C/D fleet by the end of fiscal 2026.
The Air Force will ask Congress to retire 421 legacy aircraft through 2026, replacing them with just 304 new fighters, according to fiscal 2022 budget talking points obtained by Air Force Magazine. The savings derived from operating a smaller fleet will be put toward acquiring new systems such as the Next-Generation Air Dominance fighter later this decade, and a new Multi-Role fighter, called MR-X, in the 2030s.
The 421 aircraft include a total phase-out of the aged F-15C/D fleet, numbering about 234 aircraft, by the end of fiscal 2026. The F-16 fleet would be reduced by 124 aircraft, mostly from what are called the “pre-block,” or oldest models, leaving a force of 812, also by the end of 2026. The A-10 attack plane would be reduced from 281 total aircraft to 218, for a reduction of 63 tails, but on a more aggressive timeline ending in fiscal 2023.
Over the future years defense plan ending in fiscal ’26, the Air Force would also bring on 84 new F-15EX and 220 F-35A fighters, resulting in a net reduction of 117 jets over the five-year period. The downsizing would be the largest since the “CAF Redux,” or Combat Air Forces Reduction of the early 2010s, in which USAF trimmed its fleet by about 250 airplanes.
Air Force leaders have been pushing for several years to be allowed to retire legacy systems in order to pay for new ones that will be more relevant to the future fight, particularly in the Indo-Pacific theater. Service officials in recent days have said they plan to start phasing out the fifth-generation F-22 in 2030, to be replaced by the classified NGAD family of systems, known to be at least one manned fighter and potentially several unmanned variants. Like the NGAD, the new MR-X would also be designed using new digital methodology to drastically reduce design, development and fielding timelines, while sharply reducing sustainment costs by baking in a short service life, with the expectation that successor aircraft will follow swiftly.
“To just keep pace with the threat would require an additional $6- to $7 Billion per year to modernize our current force projected into the future,” the USAF talking points say. “Even if affordable, this force falls well short of the capability required to counter a future peer threat.” The document goes on to argue that no technology can transform “our fourth-generation fighters into fifth-generation fighters, or fifth-generation fighters into NGAD.”
The paper also points out that legacy systems are becoming “significantly more expensive to sustain,” and that USAF fields one of the oldest fleets serving worldwide. The Air Force’s fleet averages 28.6 years, the document points out; by comparison, the Navy’s fleet averages 14.4 years; the Army’s aviation arm averages 15.3 years; the Royal Australian Air Force, 8.9 years, and the U.K. Royal Air Force 16.5 years.
Lt. Gen. David S. Nahom, deputy chief of staff for plans and programs, said this week that USAF’s operating and sustainment costs are “skyrocketing,” and increasing at double the rate of inflation, due to the age of the aircraft. He said 44 percent of USAF’s fleet is operating beyond its planned service life. The F-16 was initially expected to serve only until about 2005.
The F-22 fleet of about 180 aircraft would remain intact through the FYDP, receiving continuing funds for sensor upgrades and to remain fully viable until it begins transitioning out of the force in 2030. According to the talking points, though, the F-22 “cannot be made competitive against the threat two decades from today.”
The NGAD “family of systems” represents “our ability to fight and win in the highly contested environment in the future,” the document says. The new methodology of developing the NGAD “at a pace future threats cannot match” will allow the Air Force to maintain its advantage.
Even so, however, the Air Force seems to have accepted that broad control of the air in a high-end conflict is no longer achievable. It is aiming, rather, for “temporary windows of superiority” in “highly-contested threat environments,” with “complementary capabilities” for the Joint force and U.S. allies. To achieve this, USAF needs “full-spectrum survivability, high speed, advanced weapons, and extended ranges.”
To perform the “global strike” mission, USAF adds to those characteristics “sufficient payload” and resilience achieved through “the use of human-machine teaming and a mix of manned and unmanned systems.”
The F-16 and A-10 fleets would also continue to receive funding for structural modifications and capability enhancements to keep them relevant until they fully retire.
The plan reflects the results of “extensive gaming and analysis using the most difficult problem (China) and the most difficult scenario (Taiwan) at the most difficult time (2035),” according to the document. “It is clear that the Air Force must change the future fighter force structure mix by changing investment priorities to provide the capability, capacity, and affordability required to meet a peer threat,” they said.
Chief of Staff Gen. Charles Q. Brown Jr. said on May 12 the service must neck down from seven fighter types to “four plus-one,” the “one” being the A-10, in order to reduce the costs of maintaining so many logistics trains.
The A-10 is “very effective in current conflicts, but it is not viable in the long term,” according to the talking points. “Its lack of survivability in the evolving global threat environment and its singular capability set renders it ineffective in the needed role of affordable capacity.” The A-10 cannot perform the defensive counter air, suppression of enemy air defense, or homeland defense missions, the documents said. The service has tried to retire the A-10, unsuccessfully, several times, thwarted by enthusiasts who say it is an unmatched close air support machine.
However, the Air Force plans to prosecute the CAS mission in a different way, Lt. Gen. Clinton S. Hinote, deputy chief of staff for strategy, integration, and requirements, told Air Force Magazine May 13. Hinote did not describe the new CAS concept, but suggested it would involve unmanned aircraft.
Beyond the FYDP, and potentially into the 2030s, the Air Force expects about 600 “post block” F-16s—C/D models from Block 40 on—to remain in the force with with some upgrades, useful in both permissive and some competitive environments. The transition to the MR-X is expected “in the mid-30s.” This new airplane will be a “clean sheet” design, created by digital methods, and the “decision point” to launch the program is now expected to be “six to eight years away,” according to the document. The MR-X “must be able to affordably perform missions short of high-end warfare.” The F-35 could potentially fill this role, but only if its operating costs could be “brought significantly lower.”
The F-15E/X is described in the papers as “an outsized weapons truck,” useful for carrying standoff weapons in a contested theater or performing air superiority in less-contested airspace. Interestingly, while the Air Force has mentioned that the F-15EX could launch the hypersonic, air-to-surface AGM-183A Air-launched Rapid Response Weapon, or ARRW, the talking points say it can also carry an “outsize … air-to-air” weapon, as well. Presumably, this is a long-range weapon meant to counter China’s long-range PL-15 air-to-air missile, but the documents don’t say whether the weapon referenced is the AIM-260, a classified developmental air-to-air missile revealed two years ago.
The Air Force plans to buy 11 F-15EX in 2022, followed by 14 in 2023 and 19 annually thereafter through the FYDP. If that ramp rate extends through the decade, USAF would buy its 144th F-15EX in 2030. Contractual documents released last year show that USAF has options to buy up to 200 F-15EXs.
Brown told a defense symposium this week that his tactical aircraft study, announced in February, is not meant to be a product delivered to Congress, but is an internal assessment of the right future fighter force mix, which will inform the fiscal 2022 budget request but would be implemented in the fiscal ’23 budget and Program Objective Memoranda.
The White House is expected to release its full budget on May 27. The Biden administration released a “skinny” budget last month, which calls for $753 billion for national security programs, including $715 billion for the Department of Defense.
Air Force Wants to Cut 421 Old Fighters, Buy 304 New Ones | Air & Space Forces Magazine
The Air Force will ask Congress to retire 421 legacy aircraft through 2026, replacing them with just 304 new fighters, according to talking points obtained by Air & Space Forces Magazine.
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