The necessity for velocity

“Pushing the envelope” is a phrase that gained popularity with American test pilots such as Chuck Yaeger and John Glenn in the 1950s. Each aircraft they flew was said to have an “envelope” of performance. In other words, it was designed to fly safely up to a certain speed for a certain distance at a

Already a Subscriber? Log in

To Continue Reading This Article

Become a Providence Business News subscriber and get immediate access to all of our premier content and much more.

Learn More and Become a Subscriber