Lockheed wins deal worth up to $3.68 bln for more F-35 jets
December 28, 2012 at 18:12 PM EST
WASHINGTON, Dec 28 (Reuters) - Lockheed Martin Corp has been awarded a preliminary contract valued at up to $3.68 billion to build 31 additional F-35 fighter jets for the U.S. military, the Defense Department said on Friday.
