Pilots and observers of a Ki-30 Chutai relax before a mission in China. Like other Imperial Army aircraft of the period these bombers are either gray or in natural metal finish. Escorted on their short-range missions by Ki-27 fighters, the losses of Ki-30 units were at first commendably low.War DiaryWW2 for Thursday, December 28, 1939:
China
Repeated Japanese bombing raids on Lanchow, vital Chinese military supply base (northwest China).
Finland
Winter War: Russian High Command orders preparations for coordinated, step-by-step assault on Mannerheim Line.
Sea War
Atlantic: German U-boatU-30 torpedoes battleship HMS Barham (slight damage).