
A solicitation to modernize the power plant of the Lockheed Martin [LMT] F-35 fighter may come before the end of the year. Raytheon Technologies' [RTX] Pratt & Whitney F135 equips the F-35, 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 Block 4. Technology Refresh 3 (TR3)--spurred by the L3Harris [LHX] integrated core processor--is the computer backbone…