If they try to ship you out, call your next chain of command and ask for DELREP--delay in reporting. They can authorize this, I have done this myself leaving from San Diego to Great Mistakes. I did 2 weeks DelRep.
One thing...ensure you recieve a message for proof of permission. This was a wiregram. Other methods may be authorized--mine was Western Union. Now, with today's technology, who knows. If you have no proof...you will be UA!