# W-Series 4

> experimental manufacturing satellite by Varda Space Industries featuring a reentry capsule

**Wikidata**: [Q135191689](https://www.wikidata.org/wiki/Q135191689)  
**Source**: https://4ort.xyz/entity/w-series-4

## Summary
W-Series 4 is an experimental manufacturing satellite developed by Varda Space Industries, designed for materials production in orbit and featuring a reentry capsule for payload return. It launched on June 23, 2025, aboard a Falcon 9 Block 5 rocket from Vandenberg Space Launch Complex 4 East.

## Key Facts
- **Launch Date**: June 23, 2025 at 21:25:00 UTC from Vandenberg Space Launch Complex 4 East.  
- **Launch Vehicle**: Falcon 9 Block 5 (Booster B1071, Flight B1071.26).  
- **Operator/Manufacturer**: Varda Space Industries.  
- **Mass**: Approximately 300 kilograms (launch weight).  
- **Power Source**: Two spacecraft solar arrays.  
- **Orbit**: Sun-synchronous orbit.  
- **Reentry Vehicle**: Part of W-Series 4, designed for payload return to Earth.  
- **Alternative Names**: W-4, Winnebago 4, Pioneer 04.  
- **COSPAR ID**: 2025-135R.  
- **Predecessor**: W-Series 3 (identical experimental manufacturing satellite design).  

## FAQs  
### Q: What is W-Series 4’s primary purpose?  
A: W-Series 4 is an experimental manufacturing satellite in orbit, designed to produce materials in space and return payloads via its reentry capsule.  

### Q: Who built and operates W-Series 4?  
A: Varda Space Industries manufactured and operates W-Series 4 as part of its W-Series spacecraft class for in-space materials production.  

### Q: How does W-Series 4 differ from W-Series 3?  
A: W-Series 4 follows W-Series 3 but shares an identical design as an experimental manufacturing satellite with a reentry capsule; no functional differences are specified.  

### Q: What rocket launched W-Series 4?  
A: It was deployed by a Falcon 9 Block 5 rocket (Booster B1071) from Vandenberg Space Launch Complex 4 East.  

## Why It Matters  
W-Series 4 advances in-space manufacturing technology by demonstrating orbital production capabilities and autonomous reentry for payload recovery. As part of Varda Space Industries’ W-Series, it tests commercial viability for manufacturing materials microgravity environments that cannot be replicated on Earth. Successful reentry could enable cost-effective return of high-value pharmaceuticals or alloys, accelerating the transition from Earth-bound to orbital manufacturing. This mission addresses a key challenge in the space economy: producing and delivering space-made goods efficiently.  

## Notable For  
- **First Commercial Reentry Test**: One of the earliest private spacecraft to feature an integrated reentry capsule for payload return.  
- **Materials Manufacturing Focus**: Specialized for production in microgravity environments, distinct from communications or research satellites.  
- **Lightweight Design**: Launch mass of ~300 kg, emphasizing efficiency for commercial orbital manufacturing.  
- **Falcon 9 Block 5 Utilization**: Deployed on SpaceX’s Falcon 9 Block 5, highlighting collaboration between new space startups and established launch providers.  

## Body  
### Design and Mission  
W-Series 4 is an experimental manufacturing satellite by Varda Space Industries, designed to leverage microgravity for producing materials in orbit. It includes a dedicated reentry vehicle (W-Series 4 Reentry Vehicle) to return payloads to Earth. The spacecraft is powered by two solar arrays and maintains a sun-synchronous orbit for optimal solar exposure and mission control.  

### Launch and Deployment  
On June 23, 2025, W-Series 4 launched from Vandenberg Space Launch Complex 4 East at 21:25:00 UTC aboard a Falcon 9 Block 5 rocket (Booster B1071, Flight B1071.26). This launch vehicle is the current version of SpaceX’s Falcon 9, known for reusability and reliability.  

### Technical Specifications  
- **Mass**: 300 kg (launch weight, approximate).  
- **Power**: Dual spacecraft solar arrays.  
- **Reentry Capsule**: Integrated W-Series 4 Reentry Vehicle for payload return.  
- **Orbit**: Sun-synchronous orbit.  
- **Identifier**: COSPAR ID 2025-135R.  

### Historical Context  
As part of the W-Series class of manufacturing satellites, W-Series 4 follows W-Series 3—a nearly identical predecessor also designed for in-space production and reentry. Both missions aim to pioneer orbital manufacturing techniques, with W-Series 4 representing the fourth iteration of this experimental effort by Varda Space Industries.  

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "W-Series 4",
  "description": "Experimental manufacturing satellite by Varda Space Industries featuring a reentry capsule.",
  "url": "https://www.varda.com/missions/w-4/",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q6272367",
    "https://www.skyrocket.de/doc_sdat/w-series-4.htm"
  ],
  "additionalType": "Satellite",
  "identifier": "2025-135R",
  "mass": {
    "@type": "QuantitativeValue",
    "unitCode": "KGM",
    "value": "300",
    "unitText": "kilograms"
  },
  "launchDate": "2025-06-23",
  "manufacturer": {
    "@type": "Organization",
    "name": "Varda Space Industries"
  },
  "operator": {
    "@type": "Organization",
    "name": "Varda Space Industries"
  },
  "orbit": {
    "@type": "Orbit",
    "orbitType": "Sun-synchronous orbit"
  },
  "launchVehicle": {
    "@type": "Vehicle",
    "name": "Falcon 9 Block 5",
    "additionalProperty": {
      "@type": "PropertyValue",
      "name": "Booster",
      "value": "B1071"
    }
  },
  "partOf": {
    "@type": "Thing",
    "name": "W-Series"
  },
  "hasPart": {
    "@type": "Thing",
    "name": "W-Series 4 Reentry Vehicle"
  },
  "countryOfOrigin": "United States"
}

## References

1. [Source](https://space.skyrocket.de/doc_sdat/w-series-4.htm)
2. Jonathan's Space Report
3. Space-Track