It was their final operation of the war and it quickly failed .
On 6 March 1945 , the Germans launched the Lake Balaton Offensive , attempting to hold on to the Axis ' last source of oil .
It was Germans ' final operation of the war and it quickly failed .
On 6 March 1945 , the Germans launched the Lake Balaton Offensive , attempting to hold on to the Axis ' last source of oil .