The U.S. should account for an advanced adversary when making decisions about its future fighter force.

The Pentagon is diversifying the U.S. early missile warning portfolio with a mix of satellite types and sizes in different orbits to prevent unwanted missile attacks.

After a series of cancelled programs over a decade ago, U.S. military officials make a new push for tracking moving targets from space.

A new project intended to augment U.S. battle control centers gives NORAD more time to update its North Warning System.

After decades of neglect, a surge of investment in new electronic warfare capabilities is starting to pay off.