# WIA-SPACE-006: Space Station Standard

**Version:** 1.0
**Status:** Published
**Date:** 2025-01-26
**Category:** Space Infrastructure

---

## Abstract

WIA-SPACE-006 defines the comprehensive standard for space station systems, operations, and documentation. This standard covers historical evolution, structural design, life support systems, power and thermal management, crew operations, scientific research, maintenance procedures, and future development of orbital habitats.

## 1. Scope

This standard applies to:
- Space station design and architecture
- Environmental Control and Life Support Systems (ECLSS)
- Power generation and distribution systems
- Thermal control mechanisms
- Crew habitation and operations
- Scientific research platforms
- Maintenance and resupply operations
- Next-generation orbital facilities

## 2. Normative References

- ISS Interface Control Documents (ICDs)
- NASA Systems Engineering Handbook (NASA/SP-2016-6105)
- International Docking System Standard (IDSS)
- Space Station Requirements Documents (SSRDs)
- Orbital Debris Mitigation Standard Practices

## 3. Terms and Definitions

### 3.1 Space Station
An orbital structure designed for long-duration human habitation and research in space.

### 3.2 Microgravity
A condition of very weak gravity, typically 10^-6 g, experienced in orbit.

### 3.3 EVA (Extravehicular Activity)
Operations performed by astronauts outside the pressurized space station.

### 3.4 ECLSS (Environmental Control and Life Support System)
Integrated systems providing breathable atmosphere, temperature control, and water management.

### 3.5 Modules
Individual pressurized components that connect to form a complete space station.

## 4. Space Station Architecture

### 4.1 Modular Design Principles
- **Incrementality:** Gradual construction and expansion capability
- **Redundancy:** Backup systems for critical functions
- **Maintainability:** Component-level replacement capability
- **Interoperability:** Standardized interfaces between modules
- **Scalability:** Ability to add or remove modules

### 4.2 Structural Components
- **Pressurized Modules:** Habitation, laboratories, nodes, airlocks
- **Unpressurized Structures:** Truss, radiators, solar arrays
- **Docking Mechanisms:** APAS, IDSS, probe-and-drogue
- **Robotic Systems:** Manipulators for assembly and maintenance

### 4.3 Orbital Parameters
- **Altitude Range:** 350-450 km (typical LEO operations)
- **Inclination:** 51.6° (ISS example)
- **Orbital Period:** ~90 minutes
- **Velocity:** ~7.7 km/s (28,000 km/h)

## 5. Life Support Systems

### 5.1 Atmosphere Management

#### 5.1.1 Oxygen Generation
- **Primary Method:** Water electrolysis
- **Production Rate:** Minimum 1 kg O₂ per crew member per day
- **Backup Systems:** SFOG or stored oxygen

#### 5.1.2 Carbon Dioxide Removal
- **Removal Rate:** Sufficient for continuous habitation
- **Technologies:** Molecular sieves (CDRA), amine scrubbers (Vozdukh)
- **Regeneration:** Automated cyclic operation

#### 5.1.3 Trace Contaminant Control
- **Activated Charcoal Filtration:** VOC removal
- **Catalytic Oxidation:** Organic compound breakdown
- **Monitoring:** Real-time air quality sensors

### 5.2 Water Recovery
- **Recovery Rate:** Minimum 85% overall
- **Sources:** Urine, humidity condensate, hygiene water
- **Processing:** Multi-stage filtration, catalytic oxidation, ion exchange
- **Quality:** Potable water meeting drinking standards

### 5.3 Thermal and Humidity Control
- **Temperature Range:** 18-27°C
- **Humidity Range:** 30-70%
- **Air Circulation:** Minimum 8 changes per hour
- **Filtration:** HEPA filters for particulate removal

## 6. Power Systems

### 6.1 Solar Power Generation
- **Solar Array Configuration:** Minimum 2 independent arrays
- **Power Output:** Sufficient for continuous operations + charging
- **Sun Tracking:** Automated gimbal systems
- **Array Efficiency:** Minimum 14% (older), 30% (new generation)

### 6.2 Energy Storage
- **Battery Technology:** Lithium-ion preferred
- **Storage Capacity:** Minimum 1 orbit of operations
- **Charge/Discharge Cycles:** ~16 per day
- **Design Life:** 10+ years

### 6.3 Power Distribution
- **Voltage Levels:** Standardized primary, secondary, tertiary
- **Redundancy:** Dual power sources for critical systems
- **Protection:** Overcurrent, short-circuit, overvoltage
- **Monitoring:** Real-time power consumption tracking

## 7. Thermal Control

### 7.1 Active Thermal Control
- **Coolant:** Ammonia for external loop (or equivalent)
- **Heat Exchangers:** Separate internal (water) and external (ammonia) loops
- **Radiators:** Sufficient area for heat rejection
- **Pumps:** Redundant circulation systems

### 7.2 Passive Thermal Control
- **Multi-Layer Insulation (MLI):** Minimize heat transfer
- **Surface Coatings:** Optimized absorptivity/emissivity
- **Heat Pipes:** Passive heat distribution

## 8. Crew Operations

### 8.1 Crew Accommodation
- **Personal Space:** Minimum 2 m³ per crew member
- **Sleep Facilities:** Individual crew quarters
- **Hygiene Facilities:** Toilet, personal hygiene stations
- **Exercise Equipment:** Treadmill, cycle, resistance training

### 8.2 Nutrition
- **Caloric Intake:** 2,500-3,000 kcal per day per crew member
- **Menu Variety:** Minimum 16-day cycle
- **Food Safety:** Shelf-stable or refrigerated
- **Fresh Food Delivery:** Periodic resupply

### 8.3 Exercise Requirements
- **Daily Exercise:** 2-2.5 hours mandatory
- **Equipment:** Aerobic and resistance training capability
- **Monitoring:** Health parameters tracked

## 9. Scientific Research

### 9.1 Research Facilities
- **Laboratory Modules:** Dedicated experiment space
- **Payload Racks:** Standardized interface (ISPR)
- **External Platforms:** Unpressurized experiment mounting
- **Glovebox:** Contained hazardous materials research

### 9.2 Research Areas
- Human physiology and biology
- Physical sciences (fluid physics, combustion)
- Materials science and manufacturing
- Earth observation
- Space science (cosmic rays, astrophysics)
- Technology development

## 10. Operations and Maintenance

### 10.1 Resupply Operations
- **Frequency:** Quarterly minimum
- **Cargo Capacity:** Sufficient for consumables and spares
- **Docking Systems:** Automated or robotic capture
- **Return Capability:** Preferred for experiment samples

### 10.2 Spacewalk (EVA) Operations
- **Frequency:** As needed for maintenance and assembly
- **Duration:** Typically 6-8 hours
- **Crew Size:** Minimum 2 astronauts
- **Safety:** Tethers, SAFER backup, buddy system

### 10.3 Maintenance Schedule
- **Daily:** System checks, filter cleaning
- **Weekly:** Critical system inspections
- **Monthly:** Component testing
- **Annual:** Major overhauls

## 11. Safety and Emergency Procedures

### 11.1 Emergency Scenarios
- Fire response and suppression
- Depressurization and air leak procedures
- Toxic atmosphere (ammonia leak)
- Medical emergencies
- Debris collision avoidance
- Evacuation procedures

### 11.2 Safety Equipment
- Fire extinguishers (multiple types)
- Portable Breathing Apparatus (PBA)
- Emergency medical kit
- Evacuation vehicles (lifeboat function)

## 12. Communications

### 12.1 Ground Communications
- **Frequency:** Continuous or near-continuous coverage
- **Bandwidth:** Sufficient for data downlink and video
- **Redundancy:** Multiple communication paths

### 12.2 Crew Communications
- **Internal:** Intercom system throughout station
- **EVA:** Wireless suit-to-suit and suit-to-station
- **Internet:** Email and limited web access for crew

## 13. Documentation Requirements

### 13.1 Technical Documentation
- Detailed system specifications
- Operating procedures
- Maintenance manuals
- Emergency procedures
- Training materials

### 13.2 Educational Materials
- Public-facing documentation (this standard includes ebooks)
- Historical context
- Scientific achievements
- Future vision

## 14. Future Development

### 14.1 Next-Generation Stations
- Commercial space stations
- Lunar orbital platforms (Gateway)
- Deep space habitats
- Rotating artificial gravity stations

### 14.2 Advanced Technologies
- Closed-loop life support (95%+ recycling)
- Inflatable/expandable modules
- Advanced propulsion (ion, nuclear)
- AI-assisted operations
- In-situ manufacturing

## 15. Conformance

Systems claiming conformance to WIA-SPACE-006 shall:
1. Implement core life support functions per Section 5
2. Provide adequate power and thermal control per Sections 6-7
3. Support crew health and operations per Section 8
4. Enable scientific research capabilities per Section 9
5. Maintain safety standards per Section 11
6. Provide comprehensive documentation per Section 13

## 16. Bibliography

- International Space Station Flight Readiness Reviews
- NASA Technical Standards
- Roscosmos Technical Documentation
- ESA Columbus Module Specifications
- JAXA Kibo Module Documentation
- Commercial Crew Program Requirements
- Artemis Lunar Gateway Planning Documents

---

## Appendices

### Appendix A: Historical Space Stations
- Salyut Series (1971-1986)
- Skylab (1973-1979)
- Mir (1986-2001)
- International Space Station (1998-present)
- Tiangong (2021-present)

### Appendix B: International Standards
- IDSS (International Docking System Standard)
- ISPR (International Standard Payload Rack)
- EVA Suit Interface Standards
- Communication Protocols

### Appendix C: Key Metrics

| Parameter | Value |
|-----------|-------|
| Typical Station Mass | 100-450 metric tons |
| Pressurized Volume | 300-900 m³ |
| Solar Array Area | 1,000-2,500 m² |
| Crew Capacity | 3-7 persons |
| Design Lifetime | 15-30 years |
| Orbital Altitude | 350-450 km |

---

**Standard Maintained By:** WIA Technical Committee
**Contact:** standards@wia-official.org
**License:** This standard is published under 弘益人間 (Benefit All Humanity) philosophy

**Revision History:**
- v1.0 (2025-01-26): Initial publication

---

© 2025 SmileStory Inc. / WIA
弘益人間 (홍익인간) · Benefit All Humanity