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 U.S. Air Force B-52 bomber flew from Europe across the Middle East to the Persian Gulon July 25 in a 32-hour flight, as conflicts continued to roil the area with U.S. troops coming under attack in Iraq and Syria on July 25 and July 26, U.S. officials told Air…