He worked with Clive Caldwell to improve the success rate at No. 2 OTU by personally selecting the most promising pilots from local service flying training schools .
Clive Caldwell is australia 's top - scoring ace .
He worked with Clive Caldwell , Australia 's top - scoring ace , to improve the success rate at No. 2 OTU by personally selecting the most promising pilots from local service flying training schools .