Once separated, the vehicle's rocket engine will fire to carry it into space.

It's what they say is the first ever battery-powered rocket engine.

In March 2016, Kim oversaw a test of a high-power solid-fuel rocket engine.

This energizes the propellant and makes it exit the rocket engine more quickly.

It was like living next to a rocket engine with no off switch.

Nicole heard the sound of a firing rocket engine and turned to her left.

A Thiokol solid-state rocket engine sits in the blazing sun.

One launch had already failed after a rocket engine misfired.

During the test, SpaceShipTwo did not fire its rocket engine for a climb into space.

We were under thrust now, as surely as if Jesry had fired a rocket engine.

A nuclear rocket engine would be twice as efficient as the chemical engines powering rockets today.

Mr. P. helped develop a liquid-fuel rocket engine.

Gone were the red accents -instead it looked more like a rocket engine on wheels.

This time NASA engineers want to create something deceptively simple: a rocket engine powered by nuclear fission.

At 1 million degrees Celsius, material objects vaporize - including the metal components of a rocket engine.

I feel like a fucking rocket engine.