Its just the fire thats caused when the tank is shooting a round, not an additional flame thrower
Its just that the photographer took a picture at the right moment to see it. It goes away quickly and this happens to all thanks that i know of.
The sound wave is so loud that db meaters will hit a spike on the highest reading, it can be felt in your whole boddy, and can give you a bit of a presure on you chest. I've only sat in one and seen them on exercises, would be awsome to drive an STRV 122 (leo 2 thats specialised for our arctic climate)
