The U.S. has established the Ground-Based Midcourse Defense system to defend the homeland against North Korean ICBM attacks.

While at Fort Greely — situated about 90 miles southeast of Fairbanks — Nordhaus visited the 49th Missile Defense Battalion, ...

The Missile Defense Agency's effort to field an NGI is also delayed by roughly 18 months or more, its director said.

or GBI, missiles. 49th Battalion Soldiers operate and secure the ground-based midcourse defense system as part of America’s ballistic missile defense enterprise under the authority of U.S ...