United States, May 19 -- GE Aerospace has been awarded a contract from the U.S. Air Force to complete the preliminary design review (PDR) for its new GE426 engine in support of the Air Force's medium thrust class Autonomous Collaborative Platform (ACP) effort.The GE426 is a next-generation propulsion system purpose-built for the medium-thrust-class ACP mission, delivering the performance, affordability, and manufacturability required for uncrewed, autonomous combat aircraft.This award builds on GE Aerospace's previously demonstrated capability to rapidly design, manufacture, and test small engines in support of the Air Force's opportunities. In August 2025, GE Aerospace successfully completed the concept design review of the GE426, validati...