The Royal Navy could send a destroyer across the Channel with urgent parts between depots. Army counterparts asked why their parts were not carried in the same way. The reply was that they had not requested that transport and were using regular supply instead. Access to a fast ship therefore depended on arranging the request as well as possessing the transport.
Notable Point · 53:40-53:59
Emergency aircraft spares cross the Channel by destroyer
A destroyer could expedite spare parts between Channel depots, provided the service needing them requested the transport.