Leidos Holdings Inc — Leidos Holdings, Inc., together with its subsidiaries, provides services and solutions for government and commercial customers in the United States and internationally. The National Security & Digital segment provides national security software; services by using artificial intelligence and machine learning to coordinate sea, ground, air, and space to help warfighters; offensive, defensive, and physical cyber operation solutions; intelligence analysis, operational support, logistics operations, security, linguistics, force production, biometrics, chemical, biological, radiological, nuclear, an….· via yahoo