Download or read book The In-flight Deployment of Heavy Payload Trains Beneath Ascending High-altitude Balloons written by Francis X. Doherty and published by . This book was released on 1967 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1957 and 1958, the Air Force Cambridge Research Laboratories (AFCRL) developed techniques for the in-flight deployment of several 50-lb instrumentation canisters along a 3500-ft balloon-borne train. This report describes an extension of these techniques to position much heavier instruments in a similar but more precise manner. (Author).