Kratos Defense & Security Solutions, Inc. provides mission critical products, services and solutions for United States national security priorities. The company is headquartered in San Diego, California and currently employs 3,600 full-time employees. The firm operates through two segments: The Kratos Government Solutions (KGS) and Unmanned Systems (US). The KGS segment includes its microwave electronic products, space, satellite and cyber, training solutions, Command, Control, Communication, Computing, Combat, Intelligence Surveillance and Reconnaissance (C5ISR)/modular systems, turbine technologies, and defense and rocket support services operating segments. The US segment consists of its unmanned aerial, unmanned ground, unmanned seaborne and related command, control and communications system businesses. The KGS and US segments provide products, solutions and services for mission critical national security programs. KGS and US customers primarily includes national security related agencies, the United States Department of Defense (DoD), intelligence agencies and classified agencies.