SPACE SpaceCraft Plastic boxes for the SpaceStation and SpaceWalk storage modules. SpaceStation Stationary, wall-mounted storage module with a a guide system for Certwood boxes. SpaceStation-G Stationary, wall-mounted storage module with a a guide system for Gratnells boxes. SpaceWalk Mobile storage module with a single-sided guide system for Certwood boxes. SpaceWalk-G Mobile storage module with a guide system for Gratnells boxes. SpaceWalk Mobile storage module with a reciprocal guide system for Certwood boxes.