gyro compass, principles of the gyroscope (Geen titel) Bomb incendiary 20 mm T171E2 automatic gun, Disassembly compass system Intermediate Acrobatics Part I, The loop Ground aids to air navigation, AN/URN-3 Survival, Stay alive in the winterbush Oxigen in flying Resisting enemy interogation, Part 2 Basic map reading Part 1, Conventional signs Basic map reading Part 2, Elevation, distance and grid Basic map reading Part 3, Direction, orientation and location with compass
