Lt-Col. Tadeusz Majewski took command of the Battalion on 15 June 1940. The Battalion was made the Brigade's spearhead for the breakout from the pocket created by the enemy. The attack began on the night of 16 June 1940 with the 4th Motorized Division in the town of Montbard in Burgundy. As a result of heavy losses inflicted during the night, the enemy withdrew from Montbard. This victory was short-lived, however, for the Battalion was out of ammunition and fuel. The next day, orders were issued for the crews to destroy their tanks, to prevent them falling into enemy hands, and disband The men were ordered to make their way south as best they could. The temporary disbandment of the Battalion ended its part in the French campaign.
