 Complete the following phrase:  After the battles of May and June, the air attacks were much reduced in August and September. While air superiority had been won back by the RAF, German pressure had allowed Axis convoys to re-supply the Panzer Army Africa. The island appeared to the Axis forces to be neutralised as a threat to their convoys. Rommel could now look forward to offensive operations with the support of the Luftwaffe in North Africa. At the Battle of Gazala he won a major victory, while the Battle of Bir Hakeim was less successful. Even so, he was soon back in Egypt 