VF-31E Armored Siegfried

Unit type: custom variable fighter

Manufacturer: Sūrya Aerospace/Xaos Valkyrie Works

Structure: SWAG energy conversion armor

Powerplant type: Shinsei Industry/P&W/RR FF-3001/FC2 Stage II thermonuclear reaction turbine engine x 2

Powerplant output: space max thrust 1875 kN, increases 15% when overboosted with fold wave system

Vernier thruster type: P&W HMM-10A

Equipment: multi-drone charger, AERIAL III flight support AI, fold wave system

Pilot: Chuck Mustang
Mechanical designer: Shoji Kawamori