Launching Weather Balloon, 1944

1944 20th century air force america army atmospheric conditions atmospheric parameter atmospheric balloon balloonist bw equipment european operations famous fixed receiver helium filled history humidity hydrogen filled i national weather service iceland instrument latex launch launching male man measure meeks field meteorologist meteorology military national weather service personnel pressure probe radiosonde rubber science soldiers sonde temperature tool transmit usa weather balloon weather conditions weather data weather event weather forecast weather prediction weather station weather tracking wwii