General provision for storage in the USAF Meteorology, Temperature, pressure and wind (Radiation) Bristol instruction film, Aero engine magneto's, Bristol Centaurus III, BTH Magneten Rotax Magneten Nike SAM battalion. Procedures and drill, Part 2, alternate communication procedures 20 mm T171E2 automatic gun, Detail stripping Recognition of jet aircraft World affairs, wounded bear theory Lessons in aiming for machine gunners (ground defense) gyroscope becomes a compass Position finding on the earth gyro compass, principles of the gyroscope (Geen titel) Bomb incendiary