Originally Posted by
galaxy flyer
Yes, you can change units and after 6 years it shouldn't be an issue. Not sure about the ANG, but the Reserves have a rule about the gaining unit will take you and can carry you as an overage due to reassignment. There is a distance associated with the rule and, somehow 4 hour drive time, rings a bell. Guard might be tougher to deal with, though.
GF
This sounds familiar. I don't remember the name/number of the regulation but the phrase "incompatible duty assignment" comes to mind.
It might be a NG regulation for ANG and ARNG.