
A fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies on the runway to get ready for a round-the-clock training exercise on Sept. 8, 2021. (eng.chinamil.com.cn/Photo by Wang Guoyun)

Fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command get ready to take off for a round-the-clock training exercise on Sept. 8, 2021. (eng.chinamil.com.cn/Photo by Wang Guoyun)

A fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies on the runway to get ready for a round-the-clock training exercise on Sept. 8, 2021. (eng.chinamil.com.cn/Photo by Wang Guoyun)

Maintenance men assigned to an aviation brigade of the air force under the PLA Southern Theater Command conduct pre-flight check on a fighter jet before a round-the-clock training exercise on Sept. 8, 2021. (eng.chinamil.com.cn/Photo by Wang Guoyun)

Pilots assigned to an aviation brigade of the air force under the PLA Southern Theater Command sit in the cockpit to get ready for a round-the-clock training exercise on Sept. 8, 2021. (eng.chinamil.com.cn/Photo by Wang Guoyun)