UPDATE 1-Pentagon in deal with United Tech on F-35 engines
August 27, 2013 at 11:33 AM EDT
WASHINGTON, Aug 27 (Reuters) - The U.S. Defense Department has reached an agreement with Pratt & Whitney, a unit of United Technologies Corp., to buy 38 engines to power a sixth batch of F-35 Joint Strike Fighter warplanes, the Pentagon said on Tuesday.