Maintainers conduct pre-flight checks on the J-15 carrier-borne fighter jets on the flight deck of the aircraft carrier Liaoning during a live-ammunition drill. An aircraft carrier formation of the PLA Navy, including aircraft carrier Liaoning, dozens of other naval vessels and dozens of aircraft, recently conducted a live-fire drill of using weapons in the Bohai Sea according to training plan, aiming to test the weapons' performance and the troops' training quality. (81.cn/ Mo Xiaoliang)
