Very rare color images of #POBAL (Powered Balloon) an experimental system developed in early 1970s by the Air Force Cambridge Research Laboratories (AFCRL) on which a propulsion unit was added to a free-flying balloon.

POBAL's design, development, fabrication & ground testing was in charge of #Goodyear Aerospace Corporation while #AFCRL had responsibility for the #balloon, onboard instrumentation & flight test of the system.

Full details: https://stratocat.com.ar/fichas-e/1972/HMN-19720916.htm

#balloonimageoftheday