I can remember the days (late '60s) when the ACLO role was 'dumbed down' and the ATC (RAFVRT) Camp Commandant had to arrive 2 days early to 'take over' the camp. You were 'shown the ropes' by the outgoing CC although all initial groundwork was done by the ACLO.
If you were CC for Gibraltar or Cyprus Camps, you had to travel out with the previous camp attendees and spend a week or 10 days 'taking over'!! (How sad)