The company Boeing received a contract from Lockheed Martin to produce more than 300 guidance systems for the missile system Patriot PAC-3 (Patriot Advanced Capability-3) in the value of 274 million dollars. Lockheed Martin is the main supplier of missiles for the U.S. Army to ensure the project called "Lower Tier" (lower layer), the components of the multi-layered integrated missile defense system.
Source:
http://www.letectvi.cz/letectvi/Article71410.html.
Source:
http://www.letectvi.cz/letectvi/Article71410.html.