AF, Army, Marines and Navy combat specific divisions are all closed to women
[however, if the Marines hold true to there "every Marine is a Rifleman first" policy then you should see combat with them eventually(this is a good question for a recruiter)]
The most common job you hear about women seeing combat in is; Army Marine MP or the AF equivalent of Security Forces.
enlisted Medical jobs or open in the Army and Navy and I suppose you could request a combat division assignment, whether the Military allows that I'm not sure(another good question).
Note: the AF combat medics (ParaJumpers/ParaRescue) is closed to women
2ndNote: The Marines have no medics of their own
3rdNote: If an Officer/WO position is what you're after then yes, Chopper Pilots do tend to see alot of combat as their low/slower(not slow mind you but the don't streak past you like fixed wing) flying large profile machines make for tempting targets. also chopper based medical positions are targets for the same reason as the pilots.
