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 ...

North Korea has criticised the US' plan for a futuristic 'Golden Dome' missile shield, saying it could 'turn outer space into ...