10:04 AM EDT, 07/15/2024 (MT Newswires) -- RTX's (RTX) Pratt & Whitney unit said Monday it has completed the F135 Engine Core Upgrade's preliminary design review, confirming the ECU's design is on schedule and surpassing expectations.

The upgrade is expected to enhance engine durability and performance for all F-35 variants, with Pratt & Whitney and the F-35 Joint Program Office reviewing design changes and propulsion technologies, Pratt & Whitney said.

Shares of RTX were up 1.2% in recent Monday trading.

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