Hi otransist,
Although I'n not an American, and I presume you were in the USA military, I would also like to thank you for your service to hopefully keep the world safe for all. I have grave issues with the politicians but not with those who follow the orders.
I know there are several ex-military MtF at Susan's and maybe some will respond.
I suppose the question is one of trust. In the military I presume again that you and your friends totally trust each other with your lives. You would never willingly let then down, or them you. If we play the number game about 10% of males are homosexual. There is no real reason to suggest a bias in military service. I'm not sure of the frequency of TG people but I think it is slightly lower, but around the 5-10% mark. So there are probably people among your friends who are either gay or TG.
Males seem to have more problems accepting TG MtF than females. I think because we frighten them, male sexuality seems to be quite fragile. But so far I have had none of my male friends not accept me. Ok I haven't had any asking for a date

, but no one has been rude to me and they treat me as a woman at parties etc.
I think disappearing would be quite rude to the comrades who love and supported you. Maybe when you move on in life you can write too them and explain. That way they have a choice, and a private choice.
I have come out to most of my male friends by showing them a picture of Cindy, and explaining who she is, me, and taking it from there. Some of them thought they would meet a bloke in a dress. I can assure you I do not present as a bloke in a dress.
Good luck for the future and keep posting
Cindy