I've never been in the military but something tells me with your battle dress uniform...never.
Now in your dress uniform, I don't see a problem with a little Aqua Velva, Acqua di Parma, or some Eau de Cologne Imperiale splashed on your neck.
Now in your dress uniform, I don't see a problem with a little Aqua Velva, Acqua di Parma, or some Eau de Cologne Imperiale splashed on your neck.