Critics deride President Donald Trump's plan for an impenetrable shield over the United States as "pie-in-the-sky zany." ...

The U.S. already has a variety of lower-scale air defense systems — the Ground-based Midcourse Defense (GMD) system serves as the primary missile defense system against intercontinental ballistic ...

The location stems from a long chain of events beginning in the 1980s, when the United States decided to abandon the Strategic Defense Initiative (SDI). This was a Cold War program aimed at ...

Trump’s order invokes former President Ronald Reagan’s Strategic Defense Initiative, which detractors labeled “Star Wars.” But much like Reagan’s push for total nuclear defense ...

Inspiring President Reagan’s Strategic Defense Initiative and pushing American withdrawal from the Anti-Ballistic Missile Treaty, both of which paved the way to defend America from missile attacks.

WASHINGTON--James A. Ionson’s four-year tenure as director of SDI’s Innovative Science and Technology (IST) program was punctuated by controversy over the idea of a strategic defense and the role of ...