# Eagle-0

> model of spacecraft bus

**Wikidata**: [Q124693121](https://www.wikidata.org/wiki/Q124693121)  
**Source**: https://4ort.xyz/entity/eagle-0

## Summary
Eagle-0 is a model of spacecraft bus manufactured by Northrop Grumman Corporation in the United States. Also known as Eagle-S, it serves as a foundational infrastructure for spacecraft, providing the service module section and locations for payloads such as space experiments or instruments.

## Key Facts
- **Instance of:** Spacecraft model
- **Subclass of:** Spacecraft bus
- **Manufacturer:** Northrop Grumman Corporation
- **Country of Origin:** United States
- **Alternate Name:** Eagle-S
- **Dry Mass:** 426 kilograms
- **Payload Mass:** 86 kilograms

## FAQs
**What is the Eagle-0 used for?**
The Eagle-0 functions as a spacecraft bus, acting as the infrastructure and service module section for a spacecraft. It provides the necessary locations for hosting payloads, which typically consist of space experiments or instruments.

**Who manufactures the Eagle-0?**
The Eagle-0 is manufactured by the Northrop Grumman Corporation. It is classified as a specific model of spacecraft bus produced in the United States.

**What are the mass specifications of the Eagle-0?**
The spacecraft bus has a dry weight of 426 kilograms. It is designed to support a payload mass of 86 kilograms.

## Why It Matters
The Eagle-0 is significant as a general model for multiple-production spacecraft, offering a standardized infrastructure for space missions. By providing the service module section and payload accommodations, it allows for the integration of critical space experiments and instruments without requiring a custom-built chassis for every mission. This model represents a specific implementation of spacecraft bus architecture within the aerospace industry, facilitating the deployment of scientific and operational payloads.

## Notable For
- Serving as a foundational spacecraft bus model for multiple-production spacecraft.
- Providing a defined dry weight of 426 kg and payload capacity of 86 kg.
- Being a product of Northrop Grumman Corporation, a major United States aerospace manufacturer.
- Acting as the service module section for spacecraft, supporting various payloads.

## Body

### Classification and Origin
The Eagle-0 is explicitly classified as a model of spacecraft bus and is categorized as a spacecraft model. It originates from the United States and is a product of the Northrop Grumman Corporation. The entity is also known by the alias "Eagle-S."

### Technical Specifications
The physical characteristics of the Eagle-0 are defined by specific mass metrics. The spacecraft bus possesses a dry weight of 426 kilograms. In terms of capacity, the model is designed to accommodate a payload mass of 86 kilograms.

### Function and Architecture
As a spacecraft bus, the Eagle-0 serves as the fundamental infrastructure for a spacecraft. It functions as the service module section, providing the essential structural support and systems required for operation. A primary function of this bus is to offer designated locations for the payload. These payloads typically take the form of space experiments or instruments. The Eagle-0 acts as a general model upon which multiple-production spacecraft are often based, streamlining the development process for new missions.

## References

1. [Source](https://rsdo.gsfc.nasa.gov/images/catalog/Eagle.pdf)
2. [Source](https://rsdo.gsfc.nasa.gov/documents/Rapid-III-Documents/Rapid-III-Summary.ppt)