sentences:  After determining it was hostile, they ordered the operations room, staffed by Women's Auxiliary Air Force (WAAF) personnel, to plot the course allowing the Fighter Controller at Group Headquarters to guide RAF fighters to the approximate location of the enemy.On this occasion the interception went well until the German pilot was able to escape into a large layer of cloud and flee to France.The following day, 19 July, Carey scrambled on three occasions and participated in two patrols covering Allied shipping in the Channel.