Inteligency and signals analists had shown that that the Ukraine was not compleatly done. The local rebels had deployed several heavy tanks and many 45mm anti-tank guns and many 7.62mm DT Degtyarev light machine guns around the city with much tactical concern. The German Panzerkampfwagen E-100 tanks clashed with Polish rebel 10TP tanks and Soviet PPG tankettes outside the city of Kiev whist Polish rebel TP7 tanks and a mixture of Soviet T-90 self-propelled anti-aircraft gun and fixed anti-aircraft guns in the city had made a direct assault virtually impossible. After the 4th day of tank clashes, in which both Romanian and Free Polish units had distinguished themselves for their exceptional valour, it was deemed that 800 mm calibre 'Dora' Schwerer Gustav gun was deployed to full effect