Ground-based Midcourse Defense

The Pentagon's decision last week to cancel a billion-dollar contract held by Boeing Co., due to problems with the "kill vehicle" payload on interceptor…

A prominent critic of U.S. missile defense agrees that a test of the system two weeks ago was a success. And that’s why Philip Coyle is more concerned…

Despite the apparent easing of tensions on the Korean Peninsula, soldiers operating the missile-defense base at Fort Greely and elsewhere remain ready to…