6) Ukraine (PwrIndx: 0.8255)

Eastern European country Ukraine showcases some of its Soviet-era roots, with a modern edge. The nation’s defense budget is $4.88 billion. It has 160,000 active frontline personnel, 4,112 tanks, 400 aircraft and 1 submarine.

5) Poland (PwrIndx: 0.7565)

The President of Poland is the sole commander of the Polish Armed Forces. The nation has 1,063 tanks, 475 aircraft, 5 submarines and 120,000 active frontline personnel. Poland’s defense budget is $9.36 billion.