Job
Blue Ghost RCS / thruster package
Built in-house by Firefly Aerospace · Blue Ghost Mission 1
Firefly states RCS thrusters and many non-main-engine propulsion elements built in-house on Blue Ghost (main engine remains Nammo LEROS).
Schematic
Castheon's additive thruster hardware sits under this Firefly reaction control package. The main engine on the lander is the Nammo LEROS.