"Big Wind"—A fire engine made by mounting two MiG-21 jet engines onto a Soviet T-34 tank chassis to blow out Kuwaiti oil fires like a candle
(thelemmy.club)
Is the footage you're referring to oil fires in a desert? Because that's Kuwait. It's the only video of Big Wind that I can find
Technically it was used a couple more times in Hungary, but to poor results and no fanfare