Originally Posted by SkyWago

It is possible but not a Guarantee. Best thing to do is to bid around it and see about moving vacation to cover when you are away. (RSV might give you more control than a line would but who knows in 6 mos from now) They open up VAC requests at the beginning of every month and show what blocks are open that you can req your unused vacation time to be moved to instead of a block you currently have.

Might be able to wiggle a PO day or a PVD if nothing else from the CPO but you are at the mercy of staffing levels and who has also made a request for the day off.