20 mm T171E2 automatic gun, Detail stripping Lessons in aiming for machine gunners (ground defense) Communist propaganda "Yankee go Home" Nike Ajax battery, Defense against electronic countermeasures Electrische installatie militaire voertuigen, Deel III, De beginselen en werking van de startmotor Radio trouble-shooting, part 4, Additional devices and techniques power to fly, the history and development of the flying machine (Geen titel) Het vliegplan van de toekomst? (Flight plan) (geen titel) Aviation de l'Armee de Terre (ALAT) Defense against biological-chemical warfare, part A, Base passive defense Defense against biological-chemical warfare, part B, BW-CW detection Filling and handling of airplane spray tanks, part 1 en 3 (delen)