Lockheed Martin of operations to create new tactics and weapons. In August, 2018, a laser-guided Mark 82 bomb sold by the US and built by Lockheed Martin was used in the Saudi-led coalition airstrike on a school bus in Yemen, which killed 51 people, including 40 children. Lockheed Martin Lockheed Martin Corporation is an American global aerospace, defense, security and advanced technologies company with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in North Bethesda, Maryland, in the Washington, DC, area. Lockheed Martin employs approximately 100,000 people worldwide as of
Raytheon for $490 million. In October 2014, Raytheon beat rivals Lockheed Martin and Northrop Grumman for a contract to build 3DELRR, a next-generation long-range radar system, for the US Air Force worth an estimated $1 billion. This contract award was immediately protested by Raytheon's competitors, Lockheed Martin and Northrop Grumman. After re-evaluating the bids following these protests, the US Air Force decided to delay awarding the 3DELRR EMD contract until 2017, and was to issue an amended solicitation at the end of July 2016. In May 2015, Raytheon acquired cybersecurity firm Websense, Inc. from Vista Equity Partners for $1.9 billion and