BEIJING, May 28 -- An army aviation brigade under the PLA Xinjiang Military Command carried out a live-fire exercise, with multiple types of ammunition involved. The exercise took place in the hinterland of the Karakoram Range at an altitude of nearly 5,000 meters. The courses involved are intercepting and destroying mock enemy reconnaissance aircraft with air-to-air missiles, destroying armored targets on the ground with air-to-ground missiles, suppressing ground targets at close range with rockets and aircraft guns, etc.