Originally Posted by
tennisguru
Pro tip: APDs and IVDs process ahead of straight drops during the PCS process, and are guaranteed to go through if you have positive coverage even during a holiday blackout. This can be a smart way for a junior person to snipe the holiday off using an APD/IVD ahead of senior pilots using a PD.
Bingo. That plus junior reserve folks YS'ing on days off early in the month to get full before the holidays.