1. If qualified, go medical as an officer - not band as enlisted.
2. As to which branch and specialty, have her talk to the experts - the OFFICER (not enlisted) recruiters for Army, Navy, and Air Force.
Thanks, to all of you who’ve posted and FReepmailed me relevant information. I am passing all this info to my cousin and sending her a link to this thread (oh, boy!). I think she has enough info to call the right people and straight answers.