In July 1938 Er Shi-Tong served in the 32nd PS, which was equipped with Gloster Gladiators.

In an air battle on 16 July he claimed a Japanese aircraft. The group lost two of the five Gladiators (No.s 3204 and 3210) which took off to intercept, the pilot of the latter baling out.

Er Shi-Tong ended the war with 1 biplane victory this one being claimed while flying Gloster Gladiators.

Claims:

Kill no.	Date	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1938
1	16/07/38	1	Enemy aircraft	Destroyed	Gladiator			32nd PS

Biplane victories: 1 destroyed.
TOTAL: 1 destroyed.

Sources:
Soviet Fighters in the sky of China, Part III - Anatolii Demin, 2000 Aviatsiia Kosmonavtika 11 (translated by George M. Mellinger)