LED - Well done. Sorry I was out of touch for a bit there. The green thing is four CR2032s in duct tape. The CR123 is for my Surefire E1B I edc. I didn't really add much else to the DR kit. A half an oven bag, water treatment tabs, some bottle liners.

Regarding sturdier glasses - Sounds good. Didn't consider gas masks. I don't have one (anymore) so I'm not sure I'd have access to one if I needed it anyways. In terms of not losing them, I'd fashion "croakies" out of duct tape. That is how I keep my sunglasses on my head all summer sailing, and I jump in the water, etc, haven't lost a pair yet. Agreed yours will stay on better, but I'm concerned I wouldn't carry them all the time.