S13·E7 Blow It Out of the Water

Having come to represent the concept of 'overwhelming victory', this saying originally came from submarines in WW2 who were able to use torpedoes to literally blow an enemy ship up and out of the water. But is this really possible? And in the Breaking Bad season finale, Walter White took down every single bad guy with a simple crank shaft, remote control and M60. Potential reality or just fiction?