If he had refused his brigade commander’s orders to deploy to Iran to fight the mullahs, would he be court-martialed for violating Article 92?
Why or why not?
He wasn't charged for not deploying to Iran, he was charged with not deploying to Afghanistan. Your hypothetical has no relevance to Lakin's current predicament.
Lakin's contention is his superior's orders are not valid because Obama's not valid.
I wonder how many orders Lakin has issued since Obama was inaugurated. Did he expect the orders he issued to be followed by his subordinates? If Lakin is intellectually honest, then I guess not.