The Operational Group Ermakov was a grouping of three

Field Armies A field army (or numbered army or simply army) is a military formation in many armed forces, composed of two or more corps and may be subordinate to an army group. Likewise, air armies are equivalent formation within some air forces, and with ...

of the

Red Army The Workers' and Peasants' Red Army (Russian language, Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist R ...

, the

3rd Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (disambiguation) * Third Avenue (disambiguation) * Hig ...

13th In music or music theory, a thirteenth is the Musical note, note thirteen scale degrees from the root (chord), root of a chord (music), chord and also the interval (music), interval between the root and the thirteenth. The interval can be ...

, and 50th Armies. It fought during the

Battle of Moscow The Battle of Moscow was a military campaign that consisted of two periods of strategically significant fighting on a sector of the Eastern Front (World War II), Eastern Front during World War II. It took place between September 1941 and January ...

on the

Bryansk Front The Bryansk Front (russian: Брянский фронт) was a major formation of the Red Army during the Second World War. First Formation (August - November 1941) General Andrei Yeremenko was designated commander of the Front when it first fo ...

on the Eastern Front during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

. It was named after its commander, then

Major General Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

Arkady Yermakov Arkady Nikolayevich Yermakov ( – 25 October 1957) was a Soviet Army lieutenant general. Yermakov served as a Red Army commander during the Winter War and World War II. He served as the Senior Military Adviser to the Chinese People's Liberatio ...

. Ermakov's command was controversial for his focus on offensive operations from mid August to late September 1941. Marshal Yeryomenko credited his command's actions for significantly weakening the strength of the German Attack Groupings. Conversely, General Sanalov criticized him for paying insufficient attention to the defense during this time, leading to later losses.Page 112, Boris Vadimovich Sokolov. ''Marshal K.K. Rokossovsky: The Red Army's Gentleman Commander.'' 2015,, It was disbanded.

Order of Battle

* 3rd Army *

13th Army Thirteenth Army or 13th Army may refer to: *Thirteenth Army (Japan) *Japanese Thirteenth Area Army *13th Army (Russian Empire), unit in World War I *13th Army (RSFSR), a unit in the Russian Civil War *13th Army (Soviet Union) *13th Air Army The 76 ...

* 50th Army

Commanders

A.N. Ermakov

References

* Boris Vadimovich Sokolov. ''Marshal K.K. Rokossovsky: The Red Army's Gentleman Commander.'' 2015,, * Lopukhovsky, Lev. ''The Viaz'ma Catastrophe, 1941: The Red Army's Disastrous Stand against Operation Typhoon.'' 2013,

Helion and Company Helion may refer to: * Helion (chemistry), helium nucleus * Helion (meteoroid) * Hélion de Villeneuve (c. 1270 – 1346), medieval knight *Jean Hélion (1904–1987), French painter * Helion Energy, an American company pursuing fusion power * Hel ...

. {{Use dmy dates, date=June 2017

020 020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers. The code is used at 170 telephone exch ...