I finally wrote the letter, did it with a fine-tip sharpy, may have been a bad idea... hopefully he can read it though. The paper's too thin but if he puts it on a table or whatnot, and the sun isn't shining through it, it should be ok.
Also gonna send a CD along with it, in a bubble mailer... Is this a bad idea? Would the army guys likely just toss or reject it if I sent the letter that way?