# VentureStar

> proposed crewed re-usable spaceplane

**Wikidata**: [Q2574972](https://www.wikidata.org/wiki/Q2574972)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/VentureStar)  
**Source**: https://4ort.xyz/entity/venturestar

## Summary
VentureStar was a proposed crewed, reusable spaceplane developed by Lockheed Martin as part of NASA's Reusable Launch Vehicle program. It was intended to replace the Space Shuttle with a fully reusable single-stage-to-orbit vehicle. The project was cancelled in 2001 before any full-scale prototype was built.

## Key Facts
- VentureStar was a proposed single-stage-to-orbit reusable launch vehicle designed to replace NASA's Space Shuttle
- Lockheed Martin was the manufacturer of VentureStar
- The project was cancelled in 2001 before completion
- VentureStar was the full-scale follow-on to the Lockheed Martin X-33 technology demonstrator
- It was classified as a proposed entity and reusable launch vehicle
- The vehicle was designed to be crewed and fully reusable
- VentureStar originated in the United States
- The project had 12 Wikipedia sitelinks across multiple languages

## FAQs

### Q: What was VentureStar designed to replace?
A: VentureStar was designed to replace NASA's Space Shuttle fleet with a fully reusable single-stage-to-orbit spaceplane that could dramatically reduce launch costs.

### Q: Why was the VentureStar project cancelled?
A: The VentureStar project was cancelled in 2001 due to technical challenges, cost overruns, and shifting NASA priorities, before any full-scale prototype was completed.

### Q: What was the relationship between VentureStar and X-33?
A: The Lockheed Martin X-33 was an uncrewed technology demonstrator that was intended to prove key technologies for the full-scale VentureStar spaceplane.

## Why It Matters
VentureStar represented a bold attempt to revolutionize space access by creating a fully reusable single-stage-to-orbit vehicle that could dramatically reduce the cost of launching payloads to orbit. At a time when the Space Shuttle was the only operational reusable spacecraft but required extensive refurbishment between flights, VentureStar promised to deliver true airline-like operations to space. The project pushed the boundaries of aerospace engineering, particularly in areas like composite hydrogen fuel tanks and aerospike engines. Though ultimately cancelled, the research and development conducted for VentureStar and its X-33 predecessor contributed valuable knowledge to reusable launch vehicle technology that continues to influence modern space transportation concepts, including those pursued by commercial space companies today.

## Notable For
- Proposed as the first fully reusable single-stage-to-orbit spaceplane
- Intended to dramatically reduce launch costs compared to the Space Shuttle
- Developed by Lockheed Martin as part of NASA's Reusable Launch Vehicle program
- Cancelled in 2001, making it one of the most significant abandoned space projects
- Served as the conceptual follow-on to the X-33 technology demonstrator

## Body
### Development Background
VentureStar emerged from NASA's Reusable Launch Vehicle (RLV) program in the 1990s, which sought to develop next-generation space transportation systems. The project was announced in 1996 as a public-private partnership between NASA and Lockheed Martin.

### Technical Specifications
The proposed spaceplane would have measured approximately 128 feet in length and featured a lifting body design. It was designed to carry both crew and cargo to low Earth orbit using a single, integrated vehicle rather than separate stages.

### X-33 Technology Demonstrator
The Lockheed Martin X-33 was developed as an unmanned 85% scale prototype to test critical technologies needed for VentureStar, including composite cryogenic fuel tanks and linear aerospike engines. The X-33 program ran from 1996 to 2001 before both projects were cancelled.

### Cancellation and Legacy
NASA cancelled the VentureStar project in March 2001 due to technical difficulties with the X-33 demonstrator, particularly problems with the composite hydrogen fuel tanks, as well as budget constraints. While the full vehicle was never built, the research contributed to ongoing efforts to develop reusable launch systems.

## References

1. Freebase Data Dumps. 2013