The Honorable Thomas Countryman
Board Chairman, Arms Control Association
Former Acting Under Secretary of State for Arms Control and International Security
   Witness Statement
   Witness Truth in Testimony
   Witness Biography

The Honorable Brian McKeon
Senior Director, Penn Biden Center for Diplomacy and Global Engagement
Former Acting Under Secretary and Principal Deputy Under Secretary for Policy, Department of Defense
   Witness Statement
   Witness Truth in Testimony
   Witness Biography

The Honorable Madelyn Creedon
Nonresident Senior Fellow, The Brookings Institution  
Former Principal Deputy Administrator, National Nuclear Security Administration, Department of Energy

Thomas Karako, Ph.D.
Senior Fellow, International Security Program, Director, Missile Defense Project, Center for Strategic and International Studies

• Hearing notice
• Committee Repository