He is credited with single handedly inventing the turbojet engine.
Despite their limited use, they constituted the first family of small turbojet engines successfully developed and produced in the United States.
The Snark next switched to an internal turbojet engine for the rest of its flight.
Some are ramjets or even a complete turbojet engine.
New lightweight turbojet engines that were being developed enabled the concept to take shape.
Its large turbojet engine released a puff of black smoke every few seconds.
The design began in 1944 and was intended to use Soviet-designed turbojet engines.
The J58 was a single-spool turbojet engine with an afterburner.
New lightweight turbojet engines were being developed that would be able to power such small fighters.
Suddenly the wave of noise from two turbojet engines at full power washed over them, the aircraft itself invisible behind the building.