Pratt & Whitney says its ground-test F-35 Joint Strike Fighter engines have logged more than 4,000 system development and demonstration hours. The F135 jet engine is slated to power the F-35 in flight tests to begin next year.
A combined Navy and Air Force program is seeking to build a smaller version of a ubiquitous air-to-air missile that could give advanced aircraft, such as the Collaborative Combat Aircraft, greater magazine depth in a high-end fight.