Missile Defense

The Missile Defense Agency is looking at THAAD placement sites on the West Coast to guard against the North Korean threat.

The Army has been testing Israeli-made systems such as Trophy for the M1 tank and Iron Fist for the Bradley.

The Army has already gambled big on the future once -- and lost.

Russia is considering giving -- not selling -- S-300 air defense missiles to Syria.

How ready is the United States to defend against high-tech weapons from Russia and China?

"If you can't see it, you can't shoot it."

Juniper Cobra 18, which is scheduled to take place March 4-15, has been in the planning stages January 2016.

The U.S. Army is requesting about $1.6 billion in upgrades to increase its range and lethality of the Patriot missile system.

The Department of Defense confirmed to CNN that a test had taken place, but did not mention the result.

North Korea mocked the United States on Tuesday for a recent mistaken alert that sent Hawaii residents into a panic.