UPDATE 2-U.S. sues Lockheed, others for alleged kickbacks on nuclear site cleanup

UPDATE 2-U.S. sues Lockheed, others for alleged kickbacks on nuclear site cleanup: WASHINGTON, Feb 8- The United States has sued Lockheed Martin Corp, Lockheed Martin Services Inc, and Mission Support Alliance LLC, as well as a Lockheed executive for alleged false claims and kickbacks on a multibillion-dollar contract to clean up a nuclear site, the Justice Department said on Friday. The complaint alleges Lockheed paid more than $1 million to...