Defense
Science for a safer world

As part of our company mission, we're dedicated to making the world a safer place. That starts with helping our customers in the Defense industry achieve their critical missions. From our airborne work with sensors alerting warfighters to what's over the next hill, to our autonomous maritime platforms protecting sea lanes and shores — our scientists and engineers are solving critical challenges across the globe.
Modernizing enterprise IT services
With the completion of the acquisition of 1901 Group we are combining transformative Enterprise IT Operations Centers and a secure FedRAMP platform with the depth and scale of Leidos to provide truly modernized, mission-critical IT for our customers.
The race to make a specialized plane that sees farther while staying safer
A Leidos team turned a civilian jet into a groundbreaking electronic signals platform in barely a year — and at no cost to the government.
View Leidos Special Mission Aircraft
Understanding the Air Force’s digital connective tissue
More on the Advanced Battle Management System
Why space situational awareness is
key to maintaining U.S. preeminence.
More on the new warfighting frontier

More than
6,500
of our employees are veterans of the U.S. Armed Forces
Products
We offer a broad set of proven and affordable products and services for new and existing customers in defense markets.
View all our products