This is what happens when you forget about setting up your final stages in your excitement to get to the Mun and back. On departure I activated what I thought was the next stage which would separate the return craft from the landing stage. Instead the entire ship came apart all at once, stranding the brave astronauts on the Mun. Leaving the Mun FAIL by phatbhuda, on Flickr And in a similar vein, I set a rover in to orbit of the Mun, also with a staging configuration failure. lol. Rover FAIL by phatbhuda, on Flickr I've since learned that adding and removing parts in the builder can drastically modify staging setups.