 Complete the following phrase:  Despite the renowned fighting ability and reputation of the 51st, Montgomery decided after the campaign in Sicily in August 1943 that Wimberley, although Montgomery admired him greatly, was showing tiredness after over two years in command, and should be removed from his command and replaced. This he did, and Wimberley was replaced by Major-General Charles Bullen-Smith, of the Kings Own Scottish Borderers, who had been GOC of the 15th Scottish Infantry Division, another TA formation. In the event, Bullen-Smith was himself replaced by Major-General Tom Rennie, a Highlander, in July 1944, when the division was 