Lets not blow this out of proportion

First of all, as mentioned, this is all immediate pissed off rhetoric due to the sanctions imposed.

RD-180 engines are used to boost Atlas 5 rockets manufactured by United Launch Alliance (ULA), a partnership of Lockheed Martin and Boeing that holds a virtual monopoly on launching U.S. military satellites.

ULA on Tuesday said it was not yet aware of any restrictions and hopes talks will resolve any issues that do arise.

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Also the US can, if necessary, get by without the Russians, not to mention the 60 million per seat we pay them.

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It added that it can use other launch vehicles and has a two-year supply of engines to smooth over any transition.

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“ULA and our Department of Defense customers have always prepared contingency plans in the event of a supply disruption,” ULA spokeswoman Jessica Rye said in a statement.

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The U.S. space agency NASA is working with companies to develop space taxis with the goal of restoring U.S. transport to the station by 2017. The United States currently pays Russia more than $60 million per person to fly its astronauts up.

I think Space X is supposed to be ready in 2 years.