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Decision Expected This Year on Future Path for F-35 Engine

Decision Expected This Year on Future Path for F-35 Engine
An F-35A Lightning II flies at Edwards AFB, Calif. on, Aug. 1. The plane was the first of six F-35s the 461st Flight Test Squadron and F-35 Lightning II Integrated Test Force will receive in the next few years. The upgraded fleet will be used to test the Technical Refresh 3 and Block 4 configurations of the fighter. (U.S. Air Force Photo)

A Pentagon decision on the future path for the F-35 engine may come this year. Raytheon Technologies‘ [RTX] Pratt & Whitney F135 equips the Lockheed Martin [LMT] F-35 fighter, but the F-35 program has said that the fighter will need a new or significantly upgraded engine with improved electrical power and cooling capacity to accommodate the 53 new capabilities slated for F-35 Block 4. Technology Refresh 3 (TR3)–spurred by the L3Harris [LHX] integrated core processor–is the computer backbone for Block 4, which…

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