Leidos Holdings, Inc. provides services and solutions in the defense, intelligence, civil, and health markets in the United States and internationally. It operates through three segments: Defense Solutions, Civil, and Health. The Defense Solutions segment offers national security solutions and systems for air, land, sea, space, and cyberspace for the U.S. Intelligence Community, Department of Defense, military services, the U.S. Department of Homeland Security, and government agencies of U.S. allies abroad, as well as other federal, civilian, and commercial customers in the national security industry. Its solutions include technology, intelligence systems, command and control platforms, data analytics, logistics, and cybersecurity solutions, as well as intelligence analysis and operations support services to critical missions. The Civil segment provides systems integration services to Air Navigation Service providers, including the Federal Aviation Administration, Transportation Securi