Coastal Command's First Post-War Exercises -- Cpl. B. Coppinger, who comes from Southern Ireland, receives a marker to plot a phase during Coastal Command's first post-war exercise new taking place over a vast sea area. She is wearing a safety harness so as to move freely over the giant wall map, and the picture was taken at the H.Q. Operations Room that is in use for the first time since the end of the war. October 09, 1951.