In October 1940, the remainder of 1st Guards Brigade (1st Guard Regiment and support units) joined other Japanese units occupying French Indochina.
Generalissimo's HQ in Guilin – Bai Chongxi [4] Air Forces:[5] ** Notes: 1.
Other units were reinforcements which gradually arrived from Hunan, Guangdong, and Sichuan.
On 18 December the Chinese launched a successful counter-offensive against the Japanese in the Guangxi Province.
Taking part in the offensive were 115 aircraft of the 3rd, 4th and 5th PGs, 6th BG, 18th PS and one of the Soviet groups.