Richard Shelby actually said...

"one of the reasons that we request cooler heads prevail, if we were to pull out, then there is no more of the type of operations that go on, on the International Space Station today."

"Should we or the Russians choose to pull out, the International Space Station as we know it no longer exists."

"Since retiring the space shuttle, we have relied solely from the Russians to get our astronauts to and from the International Space Station."

"We have told our international partners that we are committed to being able to carry their crew and ours to the International Space Station on American spacecraft by 2017."