Is it possible you meant Dog White Sector? Perhaps Easy Red Sector?
Edit: Yeah, same picture I was looking at earlier. Seems my browser did not get the picture up fast enough.
Not sure if this will help you any: http://www.olive-drab.com/od_soldiers_gear_canteen.php
This one has a bit of info on WWI messkits. http://glennhyatt.com/messgear/messgeare.htm