If you are shot down during a mission, you can restart at a checkpoint where you have not taken damage. There is no need to restart the entire mission.
Do not play the game under the Easy difficulty setting to unlock this medal. Try completing it in under a time of 2:15 under the Normal difficulty setting.
Use the A10 Thunderbolt. Destroy everything else, then fly in the same direction as the Agaigon. Position yourself a few hundred feet directly above it. When you are just above and past its cockpit, do a loop de loop. On the down stroke of the loop, aim for the cockpit and fire. Keep executing loop de loops and strafe. Several passes are required.
After completing two operations, he will appear over the last enemy garrison with another flight of enemy fighters. He carries a jammer, and may be difficult to find. He flies at about 10,000 to 25,000 feet.
Use the following trick to find Pegas in order to unlock the F-22A special color. Play the "Invasion Of Gracemeria" mission under the Expert or high difficulty setting. Destroy all indicated TGTs within two minutes. Watch near the airfield for some F/A-18s to appear, then shoot them down. Soon after this, a flight of Rafales will appear high above the airfield, along with Pegas at about 25,000 to 30,000 feet.