The initial Axis invasion of the Soviet Union had ended with their forces being overextended and the Red Army counterattacked them during the winter. The fighting eventually became a stalemate. During the summer of 1942 both sides planned to undertake a major offensive in order to inflict a decisive defeat on their opponent. The question was - who would be able to gain the initiative first.

Patreon:   / eastory  
Sources:
David Glantz - When Titans Clashed: How the Red Army Stopped Hitler.
Earl F. Ziemke, Magna E. Bauer III - Moscow To Stalingrad: Decision In The East.
Gregory Liedtke - Enduring the Whirlwind: The German Army and the Russo-German War 1941-1943.

Unit symbols:
https://drive.google.com/open?id=1WN2...

Order of Battle:
http://www.wwii-photos-maps.com/
http://www.rkka.ru/imaps.htm
http://bdsa.ru/
https://pamyat-naroda.ru/ops/

Map:
Terrain
Europe: Elevation map of Europe - European Environment Agency.
Outside Europe: https://maps-for-free.com/

Infrastructure:
USSR: Europa 1: 2,500,000 Deutsche Heereskarte: Europaische Russland. 1943.
Other: British 1944 1:2000,000 maps of Europe.

Nerves Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/b...

This video could not seen the light without my Patrons:
aBi, Arma Virumque, aserehuehue, Eric Strachan, Evocati10, gartonschwärt, Håvard Damsberg, hydroxy, Josephine Fernandez, Just A Random Contributor, Kelek72, Leonardo, Rivas, Marc, Nándor Kócsi, omega21, Peoples Heroes, Philip Brain, Pykrete_O.Sages, Reindeer, Street, STRONTJESBERG, Ted Johansson, TheMostEvilCookie, White Privilege, x5tr3m3.