In 1941, Starshiy Leytenant Uvarov served as Zveno commander in an Eskadrilya of the 72 SmAP-SF, which was commanded by Kapitan Ivan Tumanov. The 72 SmAP-SF was equipped with a mixture of Polikarpov I-152s and I-153s and operated in the defence of Murmansk.

On 29 June 1941, Uvarov claimed a He 111 and two more shared while flying a Polikarpov I-152.

Uvarov ended the war with 1 biplane victory.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1941
1	29/06/41		1	He 111	Destroyed	I-152			72SmAP-SF
	29/06/41		1	He 111	Shared destroyed	I-152			72SmAP-SF
	29/06/41		1	He 111	Shared destroyed	I-152			72SmAP-SF

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

Sources:
Black Cross/Red Star Volume I - Christer Bergström and Andrey Mikhailov, 2000 Pacifica Military History, ISBN 0-935553-48-7
Le Chaika et l’attaque au sol (Les I-153 dans le Caucaseet au Kouban en 1942-43) – Dmitriy Karlenko, 2003 Air Magazine No.17 dec 2003/jan 2004, kindly provided by Ondrej Repka
Additional information kindly provided by Ondrej Repka.