Ashton Carter actually said...

The Defense Department's primary responsibility with regard to the nuclear agreement is to ensure that the President has all military option...

We will continue to maintain our robust regional force posture, ashore and afloat, which includes tens of thousands of American personnel.

Well, I am, and I think we all need to be very concerned about their ballistic missile activities with or without this agreement.

It is a good deal because it prevents Iran from getting a nuclear weapon in a comprehensive and verifiable way.