Lockheed files injunction to stop work on Oshkosh trucks

WASHINGTON, Dec 18 (Reuters) - Lockheed Martin Corp on Friday filed for a temporary injunction seeking a stop-work order on a $6.75 billion contract awarded by the U.S. Army to Oshkosh Corp for 17,000 new armored vehicles to replace the Humvee, which Lockheed is challenging in federal court.