Jim Cooper: “I think the public would be very interested in knowing what causes a $300 million delta like that.”

Vladimir Putin's recent announcement that he was placing his nuclear forces on alert made clear to the world the risks of miscalculation.

The continuing silence, to me, is nearly deafening.

I request the witnesses keep their opening remarks to no more than 5 minutes, and that members respect the same time limit for their questioning.

This hearing will come to order. I would like to begin by thanking our distinguished panel of witnesses.