In 1940, Chen Meng-Kun served in the 5th PG.

On 1 Janaury 1940, six I-15bis of the 5th PG intercepted Japanese reconnaissance aircraft and Ma Kuo-Lien, Chen Meng-Kun and Chang Tsu-Chien claimed to have shot down one.

Chen Meng-Kun ended the war with one shared biplane victory.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1940
	01/01/40		1/3	Enemy aircraft	Shared destroyed	Polikarpov I-15bis			5th PG

Biplane victories: 1 shared destroyed.
TOTAL: 1 shared destroyed.

Sources:
Soviet Fighters in the sky of China, Part II - Anatolii Demin, 2000 Aviatsiia Kosmonavtika 10 (translated by George M. Mellinger)
Additional information kindly provided by Edward Chan.