Bad driving. Or the Admiral's drunk, I don't know.

One was crash landing on an alien landscape. The science group had to create a camouflage device to get our people back home. The barge wouldn't read them as human, so mux about with a little of the natives' dna and we got it sorted out.

More recently, there was a virus going around, inflicted by certain ambitious inmates. [ Okay not a port but it still counts. ] Rex led the team, since he was the best expert we had for nanomites. We came up with a cure for the whole ship.