Never heard of this before.
en.wikipedia.org › wiki › Goodyear_InflatoplaneGoodyear Inflatoplane - Wikipedia
Designed and built in only 12 weeks, the Goodyear Inflatoplanewas built in 1956, with the idea that it could be used by the military as a rescue plane to be dropped in a hardened container behind enemy lines. The 44 cubic ft (1.25 cubic meter) container could also be transported by truck, jeep trailer or aircraft. [1]- First flight: 13 February 1956
- Produced: 1955–1962
- Number built: 12
- Manufacturer: Goodyear Aircraft Company