The Greatest Battle of the Rhodesian Bush War. On 23rd November 1977, an armada of helicopters and aeroplanes took off from Rhodesian airbases and crossed the border into Mozambique. Their objective to attack the headquarters of the Zimbabwe African National Liberation Army, where thousands of enemy forces were concentrated. Codenamed Operation Dingo, the raid was planned to coincide with a meeting of Robert Mugabe and his war council at the targeted HQ. It would be the biggest conflict of the Rhodesian Bush War.