Welcome to GSA: Springboard for travel to Mars & beyond! GSA started as an outpost on the rim of the Shackleton crater to support spacecraft refueling at the Collins Station located at Lagrange Point L1. Today, in 2125, the thriving lunar city includes an industrial zone on the surface and residential and commercial zones protected from surface hazards in below-the-surface lava tube habitats.
Gateway Station Armstrong (GSA)
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