Satellites

The SDA is on track to become part of the Space Force the same year it plans to launch a series of tracking satellites.

Early warning capabilities helped protect U.S. troops on the ground.

The contract, not allows Lockheed to conduct analysis, "design/development, hardware procurement, early manufacturing.

Weapons capable of jamming or destroying U.S. satellites will reach initial operational capability in the next few years.

Officials remained tight-lipped about a satellite that could be somewhere in orbit -- or crashed into the sea.

While the launch was deemed successful, the payload failed to reach orbit.

Missiles, submarines and nuclear warheads played major roles in the Cold War experience, but another development was as...

The 45th Space Wing supported the Air Force's 11th launch of a Global Positioning System IIF satellite from Space Launch...

The goal is to train the service members to combat evolving threats against the service's "vulnerable" space infrastructure.

Raytheon Co. is challenging Boeing Co. on a potential $4.7 billion U.S. military program to develop satellite communications...