RDT&E Project · President's Budget PB2027

C-5 Modernization Efforts

Project 671308·PE 0401119F — C-5 Airlift Squadrons (IF)·U.S. Air Force·BA7
FY2027 Request
$28.7M
▲ 220% vs FY2026
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Project 671308 — C-5 Modernization Efforts requests $28.7M in FY2027, 38% of the $76.2M requested for program element 0401119F, up 220% on FY2026. 3 R-2A activities decompose the request.

FY2027 Request
$28.7M
▲ 220% vs FY2026
FY2026 Enacted
$9.0M
▲ 8620% vs FY2025
FY2025 Actual
$0.1M
Prior year
Project detail

What project 671308 buys

In accordance with Air Force's strategic direction, C-5 Modernization Efforts funding supports Next-Gen Airlift (NGAL) Analysis of Alternatives (AoA) and Concept Development efforts. NGAL is projected to fully replace the C-5M fleet tentatively in FY 2050 and maintain the Strat Air program floor of 223 C-17 aircraft and 52 C-5 aircraft per the FY 2013 National Defense Authorization Act (NDAA). NGAL efforts will include but not limited to operational analysis, concept development, and acquisition strategy framework to prepare for Milestone A approval and entry into the Technology Maturation and Risk Reduction (TMRR) phase of a major defense acquisition program. This program element may include necessary civilian pay expenses required to manage, execute, and deliver weapon system capability. The use of such program funds would be in addition to the civilian pay expenses budgeted in program element 0605827F, 0605828F, 0605829F, 0605831F, 0605832F, 0605833F, 0605898F, 0606398F.

R-3 lines of work
  • Product Development
  • Support
  • Management Services
Funding trajectory

Project 671308 funding, FY2025–FY2031

Prior years are actuals, the budget year is the request, and the outyears are the FYDP plan. Estimate types are colored and never summed into one figure. Projects carry the full five-year plan; the activities inside them stop at the budget year.

5010015020025000.1FY25ACTUAL9.0FY26ENACTED28.7FY27REQUEST62.7FY2896.5FY29139.5FY30251.6FY31
Actual Enacted Request Outyear (FYDP)
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual0.1
FY2026Enacted9.0
FY2027Request28.7
FY2028Outyear62.7
FY2029Outyear96.5
FY2030Outyear139.5
FY2031Outyear251.6
Inside the project

3 accomplishments / planned programs

The R-2A exhibit — the only level of the budget that describes work that has not happened yet. Activities carry the prior, current and budget year only, no five-year plan. 1 of them describes FY2027 work in enough detail to have its own page; the rest are shown here in full. Coverage is partial across the corpus, so count activities, never total them.

FY2025 actual$0.0M
FY2026 enacted$8.8M
FY2027 request$19.8M

Plans include but not limited to LRU testing, development and modification activities, software development, data, cyber security, testing, installation, spares, Systems Integration Lab (SIL), prototypes, and other program support activities. Funding may be used to address Diminishing Manufacturing Sources (DMS).

Read the FY2027 plan →
Next Generation Airlift (NGAL)▲ 4350%
FY2025 actual$0.0M
FY2026 enacted$0.2M
FY2027 request$8.9M

FY2027 planned work Analysis of Alternatives (AoA) evaluating and assessing multiple Next-Gen Airlift (NGAL) concepts to determine long-term strategic airlift strategy for the Air Force.

FY2026 to FY2027 change Funding increased due to kick-off of Next-Gen Airlift (NGAL) Analysis of Alternatives (AoA).

FY2026 plans — current year Preliminary Analysis of Alternatives (AoA) activities.

C-5 Modernization Efforts
FY2025 actual$0.1M
FY2026 enacted$0.0M
FY2027 request$0.0M