He can't possibly be subject to any UCMJ action until tomorrow, when he is ordered onto active duty. Only if he then "refused to go" would he have committed an infraction under the UCMJ.
No matter what you might think, reservists are civilians for almost all purposes. They can't resign after receiving activation or movement orders, but are still civilians until the effective date of such orders.
You're correct (source).
No matter what you might think, reservists are civilians for almost all purposes. They can't resign after receiving activation or movement orders, but are still civilians until the effective date of such orders.
I'll grant that. Now... do you suggest that all reservists should file lawsuits whereby the military must justify those orders before the reservists must follow them?