F-35 engine delays raise concerns over production timeline

F-35 engine delays raise concerns over production timeline

The Pentagon’s F-35 program is facing new delays in the delivery of its Pratt & Whitney engines, a revelation that comes just days after a major new F-35 production contract was finalized with Lockheed Martin.  According to the F-35 Joint Program Office (JPO), contracts for Lots 18 and 19 of the Pratt & Whitney F135 engine will not be finalized until spring 2026, about six months later than planned. The JPO confirmed the revised schedule in a st…