
Raytheon Technologies' [RTX] Pratt & Whitney held a supplier day Feb. 28 on Capitol Hill for the company's proposed F135 Engine Core Upgrade (ECU) for the Lockheed Martin [LMT] F-35 fighter--an event attended by more than 80 supplier representatives from 24 states, Raytheon said. DoD's upcoming fiscal 2024 budget request is likely to lay out a future path for the engine for future blocks of the F-35. Raytheon is trying to build the case in Congress for the ECU, which…