Complex sentence: On the afternoon of 15 June, the 7th Royal Tank Regiment (7th RTR) attacked Fort Capuzzo during Operation Battleaxe scattered the defenders and broke through but infantry were slow to follow up and the tanks were not able rapidly to exploit the success.
Split into simpler sentences: On the afternoon of 15 June, the 7th Royal Tank Regiment (7th RTR) attacked Fort Capuzzo during Operation Battleaxe and scattered the defenders. The British tanks broke through but infantry were slow to follow up and the tanks were not able rapidly to exploit the success.