Author Archive

Ian Williams

Associate Fellow, CSIS

Ian Williams is an associate fellow and associate director in the CSIS International Security Program. He is a coauthor of the CSIS report “The Missile War in Yemen.”

Lessons from Yemen’s Missile War

After five years, hundreds of long- and short-range missiles fired, and more than 160 missile-defense intercepts, it’s time to take stock.


How to Keep US Missile Defense on the Right Track

Use the coming funding boost to smooth the development of a new kill vehicle and increase GMD testing in general.


US Missile Defenses Need Better Sensors, and Soon

Gaps in coverage leave interceptors less-equipped to defeat the threats of tomorrow.