Description: While not a complete rocket, the BE-4 is a key component of Blue Origin’s future launch vehicles. It is a liquid oxygen (LOX) and liquefied natural gas (LNG) powered rocket engine that will be used in both New Glenn and United Launch Alliance’s Vulcan Centaur rocket.
Status: In development and currently undergoing testing.
Key Features:
- Methane-powered engine for better efficiency and reusability.
- Designed for both vertical and horizontal integration in rockets.