Never hurts to try it out first. If it doesn't meet expectations, check this out:
SureFire Military Gear Recommendation video - YouTube
I'm sure other companies get the job done as well, I've just been introduced to these guys products by some of the folks over at the FN forum. I picked mine up at LaRue Tactical.
You'll find lots of vets on the forums - like you said - it's nice to see another vet taking up residence. While I was Air Force, I hope you won't mind my sending a big Semper Fi back at you!
Rick