The Naval Satellite Operations Center at Naval Base Ventura County was placed under the U.S. Space Force's Space Delta 8 and...

But it will keep the portions of its research labs that focus on space.

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 last Air Force GPS IIF was delivered from Boeing's manufacturing facility in El Segundo, California, Oct. 8 via a C-17...