Soldiers fire a truck-mounted rocket launcher to strike the simulated enemy during the live-fire training exercise. The "Firepower-2015 Qingtongxia D" trans-Military Area Command (MAC) live-fire military exercises, participated by troops from a regiment under the 21st Group Army of the PLA Lanzhou MAC and an artillery brigade under the 16th Group Army of the PLA Shenyang MAC, concluded at a training ground of the PLA Lanzhou MAC on the afternoon of August 16, 2015.