Diary for Monday, August 12, 1940:
Air War
Heavy German raids on shipping off English South Coast, radar stations (inc. Ventnor), and airfields.
Losses: German, 32; British, 21.
5 Hampdens (2 lost) attack heavily defended Dortmund-Ems Canal with delayed-action bombs; Flt.-Lt. Learoyd, VC, secures vital hit, which stops passage of invasion craft for 10 days (night August 12-13).