The backstory: In 1983, President Ronald Reagan unveiled the Strategic Defense Initiative (SDI)—a bold proposal to protect the U.S. from nuclear attack using space-based lasers and interceptors.

EXCLUSIVE: An expert in EMPs revealed that while U.S. President Donald Trump's planned Golden Dome bears some similarities to ...

A computer generated video shows the McDonnell Douglas Barbarian rocket of the Star Wars program flying into space to deliver ...

The backstory: In 1983, President Ronald Reagan unveiled the Strategic Defense Initiative (SDI)—a bold proposal to protect the U.S. from nuclear attack using space-based lasers and interceptors.

The backstory: In 1983, President Ronald Reagan unveiled the Strategic Defense Initiative (SDI)—a bold proposal to protect the U.S. from nuclear attack using space-based lasers and interceptors.