claim: Commodore is ranked 5 ranks below a rear admiral.
evidence: The Konin coal mine is a large mine in the central of Poland in Konin , Greater Poland Voivodeship , 186 km north-west of the capital , Warsaw .. Konin. Konin. Greater Poland Voivodeship. Greater Poland Voivodeship. Poland. Poland. Warsaw. Warsaw. coal. coal. Konin represents one of the largest coal reserve in Poland having estimated reserves of 466.4 million tonnes of coal .. Konin. Konin. Poland. Poland. coal. coal. The annual coal production is around 20 million tonnes .. coal. coal