# NX assembly tree — Version 0.4

```text
AST-0000-ASTERION-FCTA-1-ASSY
├── AST-0001-MASTER-SKELETON
├── AST-1000-PRIMARY-STRUCTURE-ASSY
├── AST-2000-HABITATION-SYSTEM-ASSY
│   ├── AST-2101-RING-1-DRIVE-ASSY
│   ├── AST-2102-RING-2-DRIVE-ASSY
│   ├── AST-2201-01 … AST-2201-12 RING-1-SECTORS
│   └── AST-2202-01 … AST-2202-12 RING-2-SECTORS
├── AST-3000-AXIAL-MODULES-ASSY
│   ├── AST-3100-SERVICE-MODULE
│   ├── AST-3200-RADIATION-REFUGE
│   ├── AST-3300-COMMAND-MODULE
│   ├── AST-3400-LOGISTICS-MODULE
│   └── AST-3500-FORWARD-DOCK
├── AST-4000-PROPELLANT-STORAGE-ASSY
├── AST-5000-PROPULSION-AND-RCS-ASSY
├── AST-6000-POWER-GENERATION-ASSY
├── AST-7000-THERMAL-CONTROL-ASSY
├── AST-8000-ROBOTIC-SERVICING-ASSY
└── AST-9000-SKIMMER-AEROSHUTTLE-ASSY
```

Use **Entire Part**, **Envelope**, **Analysis**, **Manufacturing**, and **No Hardware** reference sets. Keep the master skeleton as the sole publisher of global datums, station planes and keep-out geometry.
