Bulgaria
The Bulgarian military has 27,000 troops. These members are broken up by branches, which include 14,310 in the land forces, 6,750 in the air force, and 3,510 in the navy. During World War II, Bulgaria managed to use about 450,000 men in the effort.
Belgium
The Belgian Defense Forces are the military of the country of Belgium. With a modest budget of $5.173 billion, 25,111 active members, and 1,757 reserve personnel. Belgium is one of the few nations that allows any European to join their army, regardless of their born nationality.