Raytheon Company was founded in 1922. The headquarter is located in Cambridge.It is a leader of technology and innovation.Raytheon is specialized in defense, homeland security and other government markets all over the world.They engaged in developing defense technologies and converting those technologies for use in commercial markets.There are many branch offices such as in the Australic,in the UK,in Canada,in the United States and so on. With 88 years' history in innovation spanning, Raytheon can provide the most advanced electronics, mission systems integration .They focus much attention on Integrated Defense Systems,Intelligence and Information Systems,Missile Systems,Network Centric Systems,Raytheon Technical Services Company LLC,Space and Airborne Systems.Raytheon has been developing optical phased-arrays (OPAs), the optical analog of microwave phased-array antennas and the Laser Area Defense System. In order to promote the correct information distribution at the right time. Raytheon's is aim to creat a worldwide, network-centric enterprise.Their vision is dedicated to promoting strategic growth, establishing an inclusive culture, and developing an environment for learning.