U.S. further eases F-35 flight limits; contract talks progressing
August 13, 2014 at 18:05 PM EDT
WASHINGTON, Aug 13 (Reuters) - The U.S. Defense Department on Wednesday said it had further eased limits on flights of some Lockheed Martin Corp F-35 fighter jets that were imposed after a June 23 engine failure that grounded the F-35 fleet for over three weeks.