Originally Posted by
2old2fly
I don't see why someone wouldn't do the mil comp, but if he wants fly before his mil ID should be proof of citizenship since you can't be an officer and not be a citizen. That's assuming he is an officer.
Stick with the TSA-approved documents for this purpose. A military ID is not approved IIRC, because you can be a military member without citizenship (yes we all know you must be a citizen to be a commissioned officer, but TSA doesn't allow CFI's to extrapolate citizenship from military rank).