I'm sure many readers are familiar with avalanche control techniques. One of the measures used is to fire explosive shells into snowbanks on mountain slopes, bringing down the snow in a controlled fashion rather than letting it build up into a dangerous accumulation that might precipitate a damaging avalanche.
However, it helps to position your avalanche control cannon a safe distance from the avalanche you're trying to start . . . as these Russian troops found out the hard way!
Oops . . .