Five Group Newsletter, number 20, March 1944. Includes a foreword by the Air Officer Commanding, and features about processes of navigation, signals/radar, photography, gardening, Gee, flying control, H2S, decorations, tactics, flight engineers, war…
Oblique aerial photograph showing two large bright explosions in the centre with buildings visible between them. On the reverse 'Cam 2, Neg 1, Ops 142'.