The Norwegian Cavalry was founded on the 23. of April 1663, and is therefore one of the oldest cavalry units in the world. The dragoons came from large farms, and served as a part of the farmer's tax. Norway is populated of 4.900.000 citizens. Norway is a member of NATO, but not the EU.
Sweden has the most modern tank fleet in the world, with their Leopard 2 Improved. Sweden also produce their own tanks, infantry fighting vehicles, handguns, artillery, fighter planes and so on. Sweden is populated with 9.400.000 citizens, are a neutral contry, member of the EU.
Denmark has no military industry, and rely on foreign import. Their primary tank is the Leopard 2. Most of the equipment is imported from NATO-countries. Denmark is a member of NATO and the EU. Denmark is populated of 5.500.000 citizens
Video of Norwegian and Swedish artillery firing. M109 and Archer. View it here