Engine · Air
XA103
Pratt & Whitney adaptive-cycle engine prototype for the Air Force's Next Generation Adaptive Propulsion program.
DevelopmentEngineAirMilestoneMay 2026
- Milestones1
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Engine · No licensed photo on file
Platform-agnostic adaptive engine Pratt & Whitney is developing under the U.S. Air Force NGAP program; hardware is being procured for assembly and ground test, which the company expects in the late 2020s.
Timeline1
- MilestoneConfirmed
Assembly readiness review completed
Pratt & Whitney completed a fully digital assembly readiness review for the XA103, moving from digital design to procuring and building test hardware.
The latest 10 milestones. Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.