turbojet propulsion

At first he was unsuccessful; then, a couple of years later, someone in the Navy Department remembered the little St. Louis firm that had been shrewd enough to see a future in turbojet propulsion.

Visibility was little more than a mile when Colonel William H. Councill sent his pencil-slim Lockheed P-80 fighter whooshing down the runway at Long Beach, Calif. With its turbojet propulsion, the Shooting Star could cover a mile in six seconds.