Flight Pads - Retractable

This is a modular component of the Geshrinari Shipyards - Spaceports design. In addition to standard flight pads, Geshrinari Shipyards also has these specialized retractable flight pads. These pads retract into the ground to a subterranean facility. Once the vessel landing on the flight pad has gone below ground level, large blast doors seal the retractable bay. Any atmosphere in the area is then purged or, in the case of a vacuum world, pumped in. Once pressure is equalized, the lower locks open and the pad finishes its descent.