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
Lockheed Martin F-22 Raptor flight control systems, more powerful propulsion systems, and stealth technology. The request for proposals (RFP) was issued in July 1986 and two contractor teams, Lockheed/Boeing/General Dynamics and Northrop/McDonnell Douglas, were selected on 31 October 1986 to undertake a 50-month demonstration phase, culminating in the flight test of two technology demonstrator prototypes, the YF-22 and the YF-23. The program was managed by the Advanced Tactical Fighter Systems Program Office (ATF SPO) located at Wright-Patterson Air Force Base. Each design team produced two prototype air vehicles, one for each of the two engine options. The Lockheed-led team employed thrust vectoring nozzles on