
1) Balloon parachute baltimore
Found on
https://www.crosswordclues.com/clue/ballute

The ballute (a portmanteau combining `balloon` and `parachute`) was invented by Goodyear in 1958. It is a parachute braking device optimized for use at high altitudes and high supersonic velocities. The original ballute was a cone-shaped balloon with a toroidal burble fence fitted around its widest point. A burble fence is an inflated toroidal...
Found on
http://en.wikipedia.org/wiki/Ballute

An aerodynamic braking device which is both balloon and parachute.
Found on
http://www.braeunig.us/space/glossary.htm

An inflatable balloon-parachute, made from a thin, flexible, inelastic membrane, that provides a means of aerobraking or aerocapture. Typically, ballutes are pumpkin-shaped and wrinkled in appearance with longitudinal seams. One option is to have the main spacecraft engine run at low idle thrust dur...
Found on
http://www.daviddarling.info/encyclopedia/B/ballute.html

Balloon Parachute (bomb retarder)Baltimore
Found on
https://www.encyclo.co.uk/local/20785
No exact match found.