In June 1941, Drozdov served as a squadron leader in the 127 IAP, 11 SmAD.

On 22 June 1941 he claimed two victories, both of them while flying Polikarpov I-153.

The 127 IAP made claims for 20 enemy planes on 180 sorties on the first day of the German invasion. In fact German losses had been quite low that day, amounting to perhaps a tenth of the total Soviet claims, the general chaos and heat of combat leading to some disproportionate overclaiming.

On 8 July 1941 he was awarded the Order of Lenin.

Drozdov ended the war with 2 victories claimed while flying biplanes.

Claims:

Kill no.	Date	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1941
1	22/06/41	1	Enemy aircraft	Destroyed	I-153		Grodno	127 IAP
2	22/06/41	1	Enemy aircraft	Destroyed	I-153		Kamenka	127 IAP

Biplane victories: 2 destroyed.
TOTAL: 2 destroyed.

Sources:
Aerohobby No.1'94, kindly via Alexey Andreev
Additional information kindly provided by Yuri V. Shakhov.