As you might know, Russian troops were stationed in Hungary up until 1990. One of their barracks was near the town where our father was working as an agricultural engineer in one of the country’s many collectives, or co-operatives that had been formed through collectivization of land.
In socialist times, since everything belonged to the state, and everything belonged to everyone, there were a lot of creative ways of making money on the side.
This applied to Russian soldiers stationed here too, and selling fuel was a thriving business. Our father and a few friends teamed up and asked if they could supply some more fuel, than the normal 1-200 liters (25-50 gallons). The answer was yes, but the next time they met they were in for a bit of a surprise.
What they saw was a Russian army tanker truck followed by a heavy duty earth mover, which they didn’t really understand, until it started to carve a massive trench.
Then the soldiers parked the truck in the hole, covered it back so just a small tap was visible, and voilá