Mobilisatie 1939/ 1940, ook schaatsenrijden en bezoek aan kersenboomgaard Borstzakembleem Filmrollen KMC Slag om Grolle Aircrew escape systems, maintenance and safety Tactical control system Control of tactical air operations Part 1 Organization Part 2 Operation air-defense team VHF controlnet system Ground Controlled Aproach (Amerikaans) Straight and level flights and effects of controls GCA, Ground Controlled Aproach (Engels) fighter has crashed