Aerojet Rocketdyne completes AR1 rocket engine, won’t fire until ‘late 2022’

The first AR1 rocket engine
Aerojet Rocketdyne
Aerojet Rocketdyne finished building the first in its next-generation AR1 engine series, despite lacking both a customer and plans to test fire it for about two years.
The AR1 rocket engine is located at the company’s facility at NASA’s Stennis Space Center in Mississippi – and its completion comes as an additional piece that Lockheed Martin would get when its planned $4.6 billion acquisition of Aerojet Rocketdyne closes…