Leidos Holdings, Inc. is a holding company, which engages in the provision of scientific, engineering and information technology services and solutions in the areas of defense, intelligence, civil and health markets. It operates through the following three segments: Defense Solutions, Civil, and Health. The Defense Solutions segment focuses on deploying agile, cost-effective solutions to meet the ever-changing missions of the company's customers in areas of intelligence surveillance and reconnaissance, enterprise IT and integrated systems and cybersecurity and global services. The Civil segment focuses on seamlessly integrating and protecting physical, digital and data domains. The Health segment offers solutions to federal and commercial customers that are responsible for the health and wellbeing of people worldwide including service members and veterans. The company was founded by John Robert Beyster on June 1, 1969, and is headquartered in Reston, VA.