President Donald Trump's plans for a $175 billion missile defense shield include significant technical challenges and ...

New U.S. defenses against potential missile strikes are seen by some experts as “absolutely necessary.” They also come with ...

President Trump's missile defense project, called the "Golden Dome for America," could cost hundreds of billions of dollars.

Trump's Golden Dome defense system would protect the United States from advanced threats. Critics say it is upending ...

LONDON -- The Chinese Foreign Ministry accused President Donald Trump of undermining "global strategic balance and stability" by pushing ahead on his "Golden Dome ... will cost around $175 ...