And I'm supposed to care how?

They actually make a very good point during the movie in that while in space or on a planet you are under Maritime law. As such, a mutiny could in fact happen aboard a space craft.

"I've got nukes comin' out the wazoo! Let me just launch one!!"

…My patience with that man has waned so much that I'm surprised it hasn't already developed into a micro singularity.

Originally it was supposed to be the Chinese, but to get into the chinese cinema market, they changed it to the PRK.  Also….WOLVERINES!!!!!