scrap of paper Recent developments in aeromedical research Typical radar system performance check (receiver) Modern weather story, structure of storms; A-Primary circulation B-Development and characteristics of atmospheric waves Celestial navigation, interpretations of bearings, lines of position and fixes Camouflage principles Individuele camouflage Individual camouflage Gebruik van vuurkracht van de tirailleurgroep Maintanance of the coaxial line penny saved, supply economy Celestial navigation for fighter pilots