Heater Plant demolition Published Oct. 28, 2009 By 5th Bomb Wing Public Affairs MINOT AIR FORCE BASE, N.D. -- Contractors demolish the heat plant, which served Minot AFB for more than 50 years, here, Oct. 27. The heat plant, built in 1957, first used coal to heat the base, which was later replaced by natural gas lines. Improvements like this are just one of the many ways this base is adhering to energy efficiency standards.