If your rank is Warrant Officer 1 (WO1) or higher you can become an experienced mine field engineer and achieve incredible fame in the game. The mine is going to be your combat friend and indispensable help during a battle.BR, Now you have an opportunity to become an experienced miner and to become famous among community. But you have to be a Warrant Officer at least to have an access to mines. Mine will prove to be extremely useful during furious battles in Tanki Online.