418 Sqdn RCAF Wing Cdr Russ Bannock and his navigator FO Robert Bruce fly a single Mosquito Day Ranger to the rail yards at Arras, a major transportation junction .

Fly Nap of Earth (NOE) from RAF Manston over the English Channel and then at treetop level over Northwest France to Arras. On the southern edge of Arras is a busy German rail yard.