Roger Wicker actually said...

Deterrence is intrinsically linked to readiness. To provide deterrence, our military's capability must be tangible and demonstrable.

But that does not give them any right whatsoever to occupy that part of the Crimean peninsula that is not on the base.

I think that is an unacceptable position for the United States to take.

The Russian position, no one in the world believes it, is that these are not Russian troops which have occupied Crimea.