The Tranche 3 Tracking Layer is a network of low Earth orbit satellites designed to detect and track ballistic and hypersonic ...

Saudi Arabia will purchase F-35 fighter jets and close to 300 American-made tanks as part of a new security agreement.

"When the funding will be authorized, given the shutdown and all the fun there, is a question mark," one industry source told Breaking Defense.

Pentagon acquisition chief Michael Duffey has approved the Space Development Agency's Independent Review Team (SDA IRT) report, which team members signed ...

The ATLAS software replaces a troublesome legacy suite to help the U.S. monitor satellites and debris in space and improve ...