MANASSAS — Four 1,200-horsepower radial engines slowly revved up, spewing clouds of gray smoke when the propellers began to rotate, as the massive B-17 bomber prepared for takeoff Thursday at the Manassas Regional Airport.
The whooshing of those nearly 12-foot propellers grew into the unmistakable roar of a World War II airplane. That sound meant the Aluminum Overcast was ready to soar.