On August 5, 1941 Stavka ordered the Coastal Army to defend the city of Odessa as long as possible.
Order of Battle as of 19 November 1941[3] After evacuating Odessa in October 1941 the Army was assigned to defend the Crimea.
Even before the army was able to expand the Kerch springboard it received orders to prepare an offensive to liberate Crimea.
From February to early April 1944, they held on to their occupied position, improved the engineering of them and conducted training for offensive operations.
On April 11, together with the ships and aircraft of the Black Sea Fleet and with the support of the 4th Air Army, liberated Kerch.
On April 13, the army liberated the city of Feodosia and with the assistance of Crimean partisan – Stary Krym and Karasubazar (Bilohirsk).
Reassigned on April 18, to the 4th Ukrainian Front the army spent from then until May 7, preparing its troops to storm the enemy fortifications at Sevastopol.
The main forces of the coastal army assaulted in the direction of Cape Chersonese, where the enemy had concentrated the remnant of the German division and all available artillery.
Order of Battle January 1, 1944[6] On May 20, 1944 the Coastal Army transferred from the 4th Ukrainian Front and to the direct subordination of STAVKA.