U.S. Marines sending engine module to ship as part of F-35 testing
May 19, 2015 at 22:35 PM EDT
WASHINGTON, May 19 (Reuters) - The U.S. Marine Corps is "tracking very well" toward declaring a squadron of 10 F-35 jets built by Lockheed Martin Corp ready for initial combat use by July 15, Lieutenant General Jon Davis, the top general in charge of Marine Corps aviation, said on Tuesday.