On the 2nd, according to the annual training plan, the Southern Theater Command of the Chinese People's Liberation Army organized army and air force units to hold a joint live-troop and live-fire exercise on our side of the China-Myanmar border. At about 8 o'clock, on the border of southwestern Yunnan, participating troops such as armored infantry, artillery, air defense, army aviation, andAir force aviation quickly maneuvered to the scheduled exercise area after the exercise began.