Pratt & Whitney, an RTX (NYSE: RTX) business, has been awarded a nearly $1.3 billion undefinitized contract for F135 engine spare parts. The F135 powers all three variants of the F-35 Lightning II, the world's most advanced fighter aircraft.

The Indefinite Delivery, Indefinite Quantity (IDIQ) contract will fund fiscal year 2026 F135 initial spare parts requirements, deployable spare packages, depot lay-ins and associated support equipment in support of U.S. and international F-35 customers.