On 26 June, five Soviet mechanized corps with over 1,000 tanks mounted a massive counter-attack on the 1st Panzer Group.
T-26s composed a majority of fighting vehicles in Soviet mechanized corps of border military districts.
The average Soviet 'corps' commander was 12 years younger than the average German 'division' commander.
Most would consider the Washington-embassy post the plum assignment in the Soviet diplomatic corps.
Soviet cavalry corps reinforced by rifle and tank brigades also penetrated into the German operational rear.
During this period he gained influence over the Soviet directorial corps.
The battle between Panzer Group 1 and the Soviet mechanized corps was the fiercest of the whole invasion, lasting a full four days.
A separate administration body known as "embassy affairs" existed for servicing the Soviet diplomatic corps abroad.
It faced the Mazyr Group, a Soviet corps that had defeated the Poles during the Kiev operation several months earlier.
He began working in the Soviet diplomatic corps in 1937.
