If you are going to Kandahar, take a (dual voltage) lap top pc with headphones and a camera for Messenger web cam access in your accn. Good for DVDs too.
Cutaneous leishmaniasis is indeed unpleasant, so make sure you get your uniform dipped in Deet. Insect repellant is a good idea; sun protection would be good as well. It will be hot and there will be flies. Lots of them.
Sense of humour always a must at the front-line.