Thunder-R Engine
In Development
Deep Blue Aerospace
Overview
Reusable kerosene–liquid oxygen rocket engine in Deep Blue's Leiting (Thunder) family, generating about 22 tons of thrust. Nine Thunder-R engines power the Nebula-1 first stage.
Completed a nine-engine, full-system first-stage static fire under simulated flight conditions in November 2025, clearing a key milestone ahead of Nebula-1's debut.