K.V.
I have also heard they they like to get DVD's. Travel mugs are handy as it keeps the dirt out of their coffee when they leave their living space. Calf high socks, and slippers and things that they can give to kids they meet, maybe some stuffed toys that are in great shape and small. Was he into any sports back home, maybe a baseball and glove(make it 2 so he has someone to catch with) or a football to toss. A more personalized would be a photo cd of his friends and family. Just some thoughts. I know that the travel mugs and socks and slippers have been specific requests by troops in teh past couple of years.
My friends did a troop party for a guy in their neighborhood. They invited people over and had drinks and snacks and collected items to send to their friend and his work mates. You could take pictures of the party and put that on a cd or just put them in the box. If you do this, you may want to forgo your own gift because the shipping cost will be a big enough donation, and you will be helping several troops some of which may not have a concerned family member like yourself.
People will come to a party like this even if they don't know the person, just because they want to help the troops, it may be just the thing.