A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command flies in the sky during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command flies in the sky during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command takes off during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command flies in the sky during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
Maintenance men assigned to an aviation brigade of the air force with the PLA Northern Theater Command perform pre-flight inspections on a J-11B fighter jet prior to a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
J-11B fighter jets attached to an aviation brigade of the air force with the PLA Northern Theater Command taxi on the runway during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
J-11B fighter jets attached to an aviation brigade of the air force with the PLA Northern Theater Command taxi on the flightline during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
Pilots assigned to an aviation brigade of the air force with the PLA Northern Theater Command finish one-day training courses and prepare to climb down ladders from the cockpit of a J-11B fighter jet after a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command taxis on the runway after landing during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command taxis on the runway after landing after the round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
A J-11B fighter jet attached to an aviation brigade of the air force with the PLA Northern Theater Command flies past the sun during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
J-11B fighter jets attached to an aviation brigade of the air force with the PLA Northern Theater Command fly in formation during a round-the-clock flight training exercise on January 3, 2019. (Photo/eng.chinamil.com.cn)
