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Horizon ORV [Space Shuttle / Launch Vehicle]

Horizon Orbital Reusable Vehicle (ORV)

Payload & Capability
0 - 20t payload to low orbit.
0 - 10t to Hohmann transfer orbit (station rendezvous).
0 - 5t to Munar orbit.

Notes:
If launching more than 5t of payload, it will be necessary to transfer some fuel mid-flight from the orbiter to the external fuel tank (approximately 25% of the orbiter's large tank at around MET+60).
Payload is attachable to the rear of the orbiter via a standard docking port.
Dorsal shielded docking port for crewed rendezvous and docking.

Action Groups:
Abort - Purges all fuel from the orbiter, useful for reentry.
1 - Extend Solar Panels