Lockheed Martin Corp. and United Technologies Corp. have received contracts worth $1 billion to begin formal production of the F-22 fighter and its engines, the Pentagon said.
Lockheed received an $868- million contract to complete production of the first 10 of 295 stealth fighters. United Technologies' Pratt & Whitney military engine unit received a separate $226-million contract to produce 20 F119 engines and provide field support.
