Fleming did not fight in the field with the unit, but selected targets and directed operations from the rear. On its formation the unit was 30 strong, but it grew to five times that size. The unit was filled with men from other commando units, and trained in unarmed combat, safe-cracking and lock-picking at the SOE facilities. In late 1942 Captain (later Rear-Admiral) Edmund Rushbrooke replaced Godfrey as head of the Naval Intelligence Division, and Fleming's influence in the organisation declined, although he retained control over 30AU. Fleming was unpopular with the unit's members, who disliked his referring to them as his "Red Indians".