SB 873, the Fighter Force Preservation and Recapitalization Act of 2025, would revise federal law governing the Air Force’s minimum fighter aircraft inventory and how the service modernizes its fighter fleet. The bill raises the required total fighter aircraft inventory through October 1, 2030, increasing the minimum from 1,800 to 1,900 aircraft and the minimum primary mission aircraft inventory from 1,145 to 1,200. It also allows the Secretary of Defense to temporarily dip below that higher requirement for up to two years when needed to recapitalize units transitioning from legacy fighters to new combat-coded aircraft, so long as the total fighter inventory never falls below 1,800 and Congress is notified.
The bill adds extensive reporting and planning requirements for the Secretary of the Air Force. It requires quarterly reports on fighter aircraft receipts, assignments, retirements, vendor sources, unit-level recapitalization activity, and any delays or other issues affecting delivery and assignment. It also requires an annual Air National Guard recapitalization plan through 2030, including squadron-by-squadron timetables, budget effects, readiness impacts, and an examination of whether F-16 Block 70 aircraft should be acquired for the Guard. Failure to submit the quarterly report on time would bar travel funding for the Secretary of the Air Force until the report is filed.
The bill would also direct how new aircraft are distributed across the force. For active-component service-retained fighter squadrons, at least three of every four new advanced capability, fifth-generation, or next-generation air dominance aircraft accepted by the Air Force would have to be assigned to existing service-retained squadrons, with one-for-one retirement of legacy aircraft allowed in return. For the Air National Guard, the bill would preserve at least 25 fighter squadrons through October 1, 2030, prohibit retirement, funding reductions, or excessing of aircraft in those squadrons except in limited cases of aircraft that are no longer mission capable or are uneconomical to repair, and require recapitalization at a rate similar to the active force.
In practical terms, the bill would amend Title 10 of the U.S. Code, especially section 9062, to create a more prescriptive framework for fighter force size, modernization, and Guard preservation. It would affect the Air Force, Air Force Reserve, Air National Guard, and congressional defense oversight committees by locking in minimum fleet levels, constraining retirements of legacy aircraft, and increasing transparency around procurement and unit-level recapitalization decisions. The bill also defines key terms such as advanced capability fighter aircraft, fifth-generation fighter aircraft, legacy capability fighter aircraft, next-generation air dominance fighter aircraft, and service-retained units.
No committee transcript or vote record was provided, so the available context suggests the bill is still at an early stage and has not yet been debated or voted on in the materials supplied. The sponsor list is bipartisan and broad, which suggests support for preserving fighter capacity and Air National Guard squadrons across party lines. The main likely point of contention is the bill’s rigidity: it could limit Air Force flexibility in retiring older aircraft, reallocating new aircraft, and managing modernization costs, while supporters would likely view those constraints as necessary to prevent force structure erosion and ensure Guard and reserve recapitalization.
SB 873 would amend Title 10, United States Code, section 9062, to increase statutory minimum fighter aircraft inventories, extend those requirements through 2030, and add new rules for fighter recapitalization across the active Air Force, Air Force Reserve, and Air National Guard. It would impose quarterly reporting, annual planning, and notification obligations on the Secretary of the Air Force and Secretary of Defense, while also restricting retirements and reductions of legacy and fifth-generation aircraft in designated Air National Guard squadrons. The bill would directly affect Air Force force-structure decisions, aircraft procurement and assignment practices, and congressional oversight of fighter modernization.
The bill appears generally supportive of fighter force preservation and modernization, with bipartisan sponsorship indicating broad interest in maintaining Air Force and Air National Guard fighter capacity. The text reflects a pro-readiness, pro-recapitalization posture, emphasizing fleet size, modernization timelines, and transparency. Because no hearing transcript or vote history was provided, there is no recorded opposition in the supplied materials, but the structure of the bill suggests it is designed to address concerns about aircraft retirements, Guard squadron reductions, and uneven distribution of new fighters.
The most notable potential contention is between modernization goals and service flexibility. The bill would constrain the Air Force’s ability to retire legacy aircraft, reduce squadron strength, or temporarily reallocate new aircraft, which could be viewed as limiting management of budgets, readiness, and transition timelines. Air National Guard advocates would likely support the preservation provisions, while Pentagon planners or budget-focused stakeholders may object to mandated squadron counts, reporting burdens, and the requirement to prioritize Guard recapitalization at a rate similar to the active force. Another possible point of debate is the bill’s treatment of temporary inventory reductions and the extent to which Congress should direct aircraft assignment decisions rather than leaving them to the Department of the Air Force.