Období let 1951 – 1961 bylo pro pokračování historie Zvolenského leteckého pluku zvoleno záměrně... Zobraziť viac
Greek and Roman torsion catapults were the most powerful missile projectors in the western world from their invention in the 4th century BC to the 11th century AD. Powered by the energy stored in tensioned and twisted rope springs... Zobraziť viac
