Reload
Permanent link to this comic: http://xkcd.com/188/
Image URL (for hotlinking/embedding): http://imgs.xkcd.com/comics/reload.png
[[Four soldiers are preparing to enter a battlefield; their leader addresses them.]]
Leader: Okay men, we're going in. Stay low, keep behind cover, and if you run out of ammunition, shoot outside the battlefield to reload.
{{Title text: And watch out for that guy from comic #53.}}