Jeff Sessions actually said...

"I do believe it's very important, and hopefully we'll be able to have a good discussion today and we'll be able to study your recommendations."

"To help Congress and others know that we're getting accurate testing, realistic testing, on the kind of situations we might face."

"I think it's important that the Americans and our adversaries know that we have very effective missile systems that will work, but we have some testing to do."

"The President made a commitment at the time of the New Strategic Arms Reduction Treaty (START) that we would be involved in this."