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Affiliation: Robotech Expeditionary Force
Type: Shadow Dimensional Fortress
Length: 1,305 m
Armaments: 1 x Synchro cannon
Crew: 8400

The SDF-4 Liberator was a Human Battlefortress commissioned by the Robotech Expeditionary Force and was the Flagship of the Earth Reclamation Force.



The SDF-4 (back) with the Farrago and an Ark Angel-class ship. The SDF-3 sits directly behind it. (Robotech II: The Sentinels: Farewell)

The ship was used during the first battle fought alongside The Sentinels, along with the Farrago and an Ark Angel-class ship. (Robotech II: The Sentinels: Farewell)

Sdf 4 02 super

The fleet arrives. (Robotech: The Shadow Chronicles)

This vessel was part of the fleet that was dispatched to liberate the Earth during the Third Robotech War after the planet fell under Invid control. It became the command ship that was part of the final offensive on the planet in order to free the Human homeworld from the alien domination with command being under Gunther Reinhardt. Following heavy casualties, General Reinhardt ordered the deployment of the Neutron-S missiles from the SDF-4. The warheads were, however, destroyed by the Regess who departed known space with the entire Invid race along with all stores of Protoculture on Earth. As such, the SDF-4 along with the surviving fleet docked at Moon Base ALUCE in order to determine their next course of action. (New Generation: Symphony of Light, Robotech: The Shadow Chronicles)

Known crew

Behind the scenes

In the novels' continuity, the ship isn't called an "SDF" but is instead the flagship of the Third Reclamation Force. In The End of the Circle, a battlefortress dubbed the SDF-4 was being built. But due to Harmony Gold's 2005 retcon, the book series are no longer canon.

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