# Lincoln Experimental Satellite 7

> cancelled American communications satellite

**Wikidata**: [Q122973428](https://www.wikidata.org/wiki/Q122973428)  
**Source**: https://4ort.xyz/entity/lincoln-experimental-satellite-7

## Summary
Lincoln Experimental Satellite 7 (LES-7) was a cancelled American communications satellite developed by MIT Lincoln Laboratory. It was part of the Lincoln Experimental Satellite series and was designed as both a communications satellite and a technology demonstration spacecraft. The project was abandoned before launch.

## Key Facts
- **Aliases**: LES7, LES-7
- **Part of**: Lincoln Experimental Satellite series (cancelled)
- **Developer**: MIT Lincoln Laboratory
- **NSSDCA ID**: LES-7
- **Power source**: Spacecraft solar array (2 arrays)
- **Classifications**: Communications satellite, technology demonstration spacecraft, abandoned entity
- **Status**: Cancelled before launch

## FAQs
### Q: What was the purpose of Lincoln Experimental Satellite 7?
A: LES-7 was designed to serve as a communications satellite and demonstrate experimental technologies. However, the project was cancelled before launch.

### Q: Who developed Lincoln Experimental Satellite 7?
A: The satellite was developed by MIT Lincoln Laboratory, part of the Massachusetts Institute of Technology.

### Q: Why was Lincoln Experimental Satellite 7 cancelled?
A: The project was abandoned before launch, with no specific reason provided in the available source material.

### Q: What type of power did Lincoln Experimental Satellite 7 use?
A: The satellite was powered by two spacecraft solar arrays.

### Q: Is Lincoln Experimental Satellite 7 related to other Lincoln Experimental Satellites?
A: Yes, it is part of the Lincoln Experimental Satellite series, which includes other experimental satellites built by Lincoln Laboratory.

## Why It Matters
Lincoln Experimental Satellite 7 was part of a broader effort by MIT Lincoln Laboratory to advance satellite technology, particularly in communications and experimental demonstrations. While the project was ultimately cancelled, it reflects the broader history of experimental satellite programs that push the boundaries of space technology. These efforts contribute to the development of more advanced and reliable satellite systems, which are crucial for modern telecommunications and scientific research. The cancellation of LES-7 highlights the challenges and uncertainties inherent in space projects, even for well-established institutions like Lincoln Laboratory.

## Notable For
- **Experimental Focus**: Designed to demonstrate new technologies in satellite communications.
- **Part of a Series**: One of several Lincoln Experimental Satellites, showcasing ongoing research efforts.
- **Cancelled Status**: A notable example of a space project that did not proceed to launch.
- **Solar Powered**: Used two spacecraft solar arrays, a common but notable feature for its time.
- **MIT Connection**: Developed by a leading institution in space research and technology.

## Body
### Overview
Lincoln Experimental Satellite 7 (LES-7) was a planned American communications satellite developed by MIT Lincoln Laboratory. It was part of the Lincoln Experimental Satellite series, which included other experimental spacecraft designed to test new technologies. The satellite was classified as both a communications satellite and a technology demonstration spacecraft, indicating its dual role in advancing satellite communication capabilities and experimental spaceflight techniques.

### Development and Cancellation
LES-7 was developed by MIT Lincoln Laboratory, a research center known for its contributions to space technology. The project was assigned the NSSDCA ID LES-7, which is a standard identifier for space objects. However, the satellite was ultimately cancelled before launch, with no specific reasons provided in the available source material. This cancellation is notable as it represents one of several Lincoln Experimental Satellites that did not proceed to operational status.

### Technical Specifications
The satellite was powered by two spacecraft solar arrays, a common configuration for satellites of its era. These arrays provided the necessary electrical power for the satellite's operations. While the satellite was not launched, its design and intended specifications offer insights into the technological capabilities of Lincoln Laboratory at the time.

### Classification and Context
LES-7 is classified as an abandoned entity, reflecting its cancelled status. It is also part of the broader category of technology demonstration spacecraft, which are used to test and validate new technologies in space. As a communications satellite, it was intended to contribute to the development of satellite-based telecommunications, a field that has since become integral to global communication networks.

### Historical Significance
The Lincoln Experimental Satellite series, including LES-7, represents a significant chapter in the history of satellite technology. These satellites played a role in advancing the capabilities of space-based communication and experimental research. While LES-7 was not launched, its development and eventual cancellation provide a context for the broader challenges and successes of experimental space programs.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/les-7.htm)