Wernher Von Braun joins the German Air Force and receives pilot training at Frankfurt/Oder and Stolp.

These would run through August 9, 1938 and included 30 flight tests of 10-in.-diameter motors, in nitrogen-pressured rockets. The series was divided into three sections: A, B, and C. Section A covered development of a nitrogen-pressured flight rocket using 10 in, motors based on the K series and ran from May 11 to November 7, 1936 (L1-L7). Length of the L Series Section A rockets varied from 10 ft 11 in, to 13 ft 6 1/2 in.; diameter 18 in.; empty weight 120 to 202 lb; loaded weight 295 to 360 lb; weight oxygen about 78 lb; weight gasoline 84 lb; weight nitrogen, 4 lb. References: 482 .

Russian liquid-propellant meteorological rocket, designed by M. K. Tikhonravov, successfully flown. References: 17 .