“Lawful order” begs the question.
No military court is going to “overturn” any election.
They can just rule that until the president proves he is eligible as CiC, his orders can be questioned.
“They can just rule that until the president proves he is eligible as CiC, his orders can be questioned.”
Obama proved it [past tense] to the satisfaction of everyone with responsibility - all 50 states, the voters, the Electoral College, and Congress.
He doesn’t have to prove it to each and every individual in the military.