What is the difference between Sea Plankton and the US Astronaut Corps? Sea Plankton can get to the International Space Station without the help of the Russians.

I am not sure if this is funny or not, but it is ridiculous, AND it is TRUE so maybe it is funny! Actually, I think it is both funny AND sad... regardless, it's my joke! (reference: http://www.space.com/26888-sea-plankton-space-station-russian-claim.html)

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