[ hmmm. ]

Eunhyuk said Luke's the one who figured out how to send messages between us and... whereevere they are? Using those passcode messages. The message we got wasn't the one they input, it got jumbled on its way to us.

[ he looks thoughtful. ] That, or do you think they might've been wandering around all this time without being noticed?

I just assumed it was referring to the senior crew -- when they announce who's been decomissioned, everything's already locked down for Saturday.