UPDATE 1-Pratt says next F-35 engine deals will cut costs by 7-8 pct
September 15, 2014 at 18:42 PM EDT
WASHINGTON, Sept 15 (Reuters) - Pratt & Whitney, a unit of United Technologies Corp, said its contracts with the Pentagon for the next two batches of engines for the Lockheed Martin Corp F-35 fighter jet will result in combined cost savings of 7 percent to 8 percent.