Russian Su 27 DEFEATS US Air force F 15 in combat exercise

The Pentagon purchased two Russian-made Su-27 fighter jets from Ukraine. The United States will reportedly use the Russian jets to train effective .<br />The Pentagon purchased two Russian-made Su-27 fighter jets from Ukraine. The United States will reportedly use the Russian jets to train effective .<br />Russian Su-27 DEFEATS US Air force F-15 in combat exercise The Pentagon purchased two Russian-made Su-27 fighter jets from Ukraine. The United States .<br /><br />Subscribe!