Mitsubishi air augmented Liquid Air/LH2 rocket engine. Design 1999. Used on H-2 HIMES launch vehicle.
Status: Design 1999. Thrust: 147.10 kN (33,069 lbf). Specific impulse: 1,200 s. Specific impulse sea level: 600 s. Burn time: 470 s. Diameter: 2.40 m (7.80 ft).