Rocket propulsion was explored -- specifically, a turbo-pump-equipped rocket made by Reaction Motors Inc. Delivering 6,000 pounds of thrust, the acid-aniline-fueled engine was believed to be capable of boosting an airplane to the fringes of the known performance envelope,  -   Chuck Yeager     Quotes
Rocket propulsion was explored -- specifically, a turbo-pump-equipped rocket made by Reaction Motors Inc. Delivering 6,000 pounds of thrust, the acid-aniline-fueled engine was believed to be capable of boosting an airplane to the fringes of the known performance envelope, Chuck Yeager