Sergei Evladenko was born in 1914.

When Germany invaded the Soviet Union on 22 June 1941, leitenant Evladenko served in 43 IAP flying Polikarpov I-153s.

Evladenko was posted away from 2 IAP in February 1942.

On 20 February 1942, he was decorated with the Order of the Red Banner.

In May 1942, he first served in 186 IAP, which became combat ready on 10 May with their new Yak-1s. On 18-19 May 1942, all the pilots and Yak-1 fighters from this unit (including Evladenko) were posted to 6 IAP.

He received a second Order of the Red Banner on 19 July 1942.

He was posted from 6 IAP to 9 GIAP in January 1943.
He left 9 GIAP in May 1944 and was posted to 21 GIAP in July 1944, which was equipped with Bell P-39 Airacobras.

Kaptain Evladenko didn’t return from a combat mission on 15 July 1944.

At the time of his death, Evladenko was credited with 1 shared biplane victory and a total of 3.
These had been claimed during 110 combat missions (as of 17 May 1942) while flying I-153s, Yak-1s and Airacobras.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1941
	??/??/41		1/?	Hs 126	Shared destroyed	I-153			43 IAP
	1942
1	16/05/42		1	Bf 109	Destroyed	Yak-1			186 IAP
	16/05/42		1/2	Bf 109	Shared destroyed	Yak-1			186 IAP
2	19/05/42		1	Bf 109	Destroyed	Yak-1			6 IAP
3	26/05/42		1	Bf 109	Destroyed	Yak-1			6 IAP

Biplane victories: 1 shared destroyed.
TOTAL: 3 and 2 shared destroyed.

Sources:
All aces of Stalin 1936-1953 – Mikhail Bykov, 2014
Soviet Fighter Pilots 1936-1953 - Mikhail Bykov