Not really. If she's got a decent head on her shoulders, pays attention to detail, and isn't a piece of lazy shit who pawns work off all the time, she can pretty much have her choice in what she wants to do. Oh, and don't become the command cum-catcher, nor the one who uses a pregnancy to dodge a deployment. Yes, that shit really happens. That aside, it's stupidly easy to be mediocre as enlisted for a term. But if you want more for yourself, or a career, it doesn't take a whole lot to do things right, think and plan ahead, and actually do really well for yourself in the military. And that goes for any branch. Source? I'm enlisted. My educational options included full academic and sports scholarships when I graduated highschool, which I mention only because it's far too frequently assumed people enlist only because they have no other opportunities available. I joined up in my early 20s after I realized corporate pay wasn't worth the bullshit, and having a flag on my shoulder meant a lot more to me than the name brand on my suit jacket's tag.  OP: Military politics blow, so keep your wits about you. Your career can be sabotaged by some of the dumbest, but common sense shit. I'm guessing by the 1.5 mile run you're looking at either air force or navy. Both are technical branches and I'd take advantage of that for a potential post-enlisted career you may pursue. Have a plan, pay attention, learn to deal with bullshit and boredom, and you'll be fine. And don't get fat.