While both are reserve components, and while both have been blurred since 911... ARNG is the state militia, and under the command of the governor in normal times... The guard belongs to the state, and routinely provides support to local, and state governments and law enforcement for a wide variety of contingencies. They can also be augmentation forces to the Regular Army, when needed. The Reserves are simply always just augmentation forces to the Active Army. The Guard seems much more exciting and relevant day in and day out.
First off, I am in the National Guard so that makes it pretty awesome. But there a lot of factors going on. Each state is different. I have looked at the Reserves too. Being how I am infantry there isn't a traditional infantry unit I could go too. But there are training and other duties that I could do as an infantry officer. You would really have too look at the surrounding units. I know promotion in the Reserves can be quicker and from I understand they can pay for travel. What really keeps me in the Guard is the combat arms side. I like infantry and want to try SF. I couldn't do that in the Reserves. Push in usually the state will offer more benefits to guard members also.
The guard offers jobs close to home with promotion opportunities close to home. The reserves cannot provide this. In the reserves the chances of having to travel hundreds of miles to drill is high. This makes leadership difficult also. In the guard most of your Soldiers will live in the immediate area.
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