in the campaign “Military Annexation of the Crimean Khanate (1783)”
The use of Ukrainian Cossacks as a military resource for storming Turkish fortresses and consolidating imperial claims to Crimea: at Ochakiv "the 'loyal Cossacks' took part in the storming of the fortress"[1], and in the storming of Izmail "in total over 6 thousand Black Sea Cossacks took part in the battle"[2].