Not only does he have standing, he can show the harm that would accrue to him should he not be able to prove hussein’s illegitimacy. He gets fined, demoted, or goes to the stockade.
Then make your case.
He gets fined, demoted, or goes to the stockade.
For what? He's a retired general who hasn't been on active duty for 10 years. Any injury he may claim because of Obama's ineligibility is highly speculative to say the least. And doesn't meet the requirements to establish legal standing. He has not more chance of success than any of Taitz's other cases.