Commando Comic #4424 'Tunnel Of Doom' (2011)
 
Flat on his stomach on the railway line, Private Andy Morgan crawled forward grimly. It was up to him to stop a Nazi armoured train — and all he had to do it with was one single hand-grenade.

And what made it even tougher for Andy was that the only two guys with him were the type who would pack up and run if things got dicey.