At the time of its first flight it was the largest airplane in the world.
The system has been installed in about 700 of the nation's 4,000 large airplanes.
The larger airplane will take off from a traditional runway and fly to an altitude of 50,000 feet.
This large, relatively slow airplane was never envisioned as a fighter.
An airliner is a large airplane used to move people and things.
"Some are suggesting that very large airplanes represent a solution," he said.
The C-5 is the largest airplane in the world at the time.
The largest airplane now flying, the 747-400, can carry about 400 passengers in three classes.
Eileen heard a rushing sound, as though a large airplane had passed over the building.
It made the large airplane very maneuverable, and a serious fighter.