Закавказский фронт
The 45th Army was formed in late July 1941 in the Transcaucasian Military District from the 23rd Rifle Corps. It included the 138th Mountain Rifle Division, 31st and 136th Rifle Divisions, 1st Mountain Cavalry Division, 55th Fortified Area and other units. The army's first commander was Konstantin Baranov. On 23 August, the army became part of the Transcaucasian Front. On 30 December 1941, it was subordinated to the Caucasian Front. The army guarded the Turkish border and covered Lend-Lease supply routes going through Iran. In October 1941 Andrei Alexandrovich Kharitonov became temporary commander of the army. Between December 1941 and April 1942 the army was led by Vasily Novikov. In April, Fyodor Remezov became the army's commander. He would command 45th Army for the rest of its existence.