Dazed and Confused

Here's the scenario:  You are told, "Hey, you're going to be assigned to Guam," but when the assignment office sends the virtual congratulatory assignment letter, it says, "Congratulations, your next assignment is              ." In other words, it doesn't say Guam.  What would you do?  Freak out?  Blow it off as a simple mistake?  I just need this saga to end.  Please.  Now.