That is certainly the tactics they used in WWII also.
Almost every battle started with a massive artillery bombardment.
They sent troops into battle without weapons with instructions to pick one up from a fallen comrade. They also marched conscripts and convicts through minefields to clear the mines...the hard way.
Russian military tactics are not known for their compassion for the welfare of the troops.
Almost every battle started with a massive artillery bombardment.
I must admit though, those Katyusha Rockets made the most awesome sound.