I'm finnaly getting the chance to see how my gear works. I've been invited back to my old ROTC unit's winter survival drill this weekend. I'll be part of the survailence team thats ensuring everyones safety and making sure no one cheats the rules.

Its still a week away, but the forcast is reading 18, "Real Feel" of 12 with 15 mph winds and gusts to possible 25. Sounds like fun. My backpacking sleeping bag is a western mountaineering 30* bag. I'd like to keep to the backpacking stuff so what should should i do in yall opinion to keep warm?

I'm not sure yet if its a totally a unseen mission yet, so im not sure what yet about fire. but, mainly i'm looking for sleeping bag options.