Flight is now and never has been a boundless expanse. Rather, aviators live with immutable rules, inescapable constraints, physical and scientific limits that stand as surely before them as gravity itself.
There are limits on speeds and altitudes, G-forces, human factors; limits on weapons, weights, loadings, and countless other variables. The Challenge and the job for the engineers and the test pilots, is to overcome these limits. New engines, new materials, new design concepts force old limits out of the way — and turn over to flight testing, the mysteries, risks, dangers, and often cataclysmic outcomes of the new ones.
Once the boundaries are set, one’s imagination is free to explore new horizons and again be part of the timeless CHALLENGE .. to Push the Limits of Flight. This is what The Challenge of Flight means.