# Atlas-Agena A

> model of expendable launch system

**Wikidata**: [Q9161676](https://www.wikidata.org/wiki/Q9161676)  
**Source**: https://4ort.xyz/entity/atlas-agena-a

## Summary
The **Atlas-Agena A** was an American expendable launch system, a specific model of the Atlas-Agena rocket family, used primarily for launching early satellites in the 1960s. It was manufactured by Convair and operated briefly between 1960 and 1961, playing a role in early U.S. space missions, including reconnaissance and early-warning satellites.

## Key Facts
- **Type**: Expendable launch system (rocket model)
- **Parent Class**: Atlas-Agena (American expendable launch system)
- **Manufacturer**: Convair
- **Country of Origin**: United States
- **First Flight**: February 26, 1960
- **Service Retirement**: January 31, 1961
- **Components**: Atlas MA-2 (stage 0), Atlas-LV3 (stage 1), Agena A (stage 2)
- **Aliases**: Atlas LV-3 Agena-A, Atlas LV3 Agena-A, Atlas LV-3A Agena A, Atlas-LV3 Agena-A
- **Notable Payloads**: MIDAS 1, MIDAS 2, SAMOS 1, SAMOS 2 (early-warning and reconnaissance satellites)

## FAQs
### Q: What was the Atlas-Agena A used for?
A: The Atlas-Agena A was used to launch early U.S. satellites, including reconnaissance (SAMOS) and early-warning (MIDAS) missions, though some launches failed.

### Q: When was the Atlas-Agena A in service?
A: It was operational for less than a year, from its first flight on **February 26, 1960**, until retirement on **January 31, 1961**.

### Q: Who manufactured the Atlas-Agena A?
A: The rocket was built by **Convair**, an American aerospace company.

### Q: What were the stages of the Atlas-Agena A?
A: It consisted of three stages: **Atlas MA-2 (stage 0)**, **Atlas-LV3 (stage 1)**, and **Agena A (stage 2)**.

### Q: Were there any notable failures with the Atlas-Agena A?
A: Yes, it was involved in launch failures for **MIDAS 1** and **SAMOS 1**, both of which were destroyed during launch attempts.

## Why It Matters
The Atlas-Agena A represents an early milestone in the U.S. space program, demonstrating the transition from experimental rocketry to operational satellite deployment. Though its service life was short, it contributed to the development of reconnaissance and missile-defense technologies during the Cold War. The failures of MIDAS 1 and SAMOS 1 also highlighted the challenges of early spaceflight, driving improvements in launch reliability. As part of the broader Atlas-Agena family, it laid the groundwork for later, more successful launch systems that became critical to American space exploration and military satellite programs.

## Notable For
- **Early U.S. Satellite Launches**: One of the first rockets used for deploying reconnaissance and early-warning satellites.
- **Short Operational Period**: Served for less than a year (1960–1961), reflecting the rapid evolution of launch technology.
- **Launch Failures**: Associated with the destruction of **MIDAS 1** and **SAMOS 1**, illustrating the risks of early space missions.
- **Modular Design**: Featured a three-stage configuration (Atlas MA-2, Atlas-LV3, Agena A), a precursor to later multi-stage rockets.
- **Cold War Context**: Played a role in U.S. efforts to develop space-based surveillance and missile-detection capabilities.

## Body
### Overview
The **Atlas-Agena A** was a model of the **Atlas-Agena** expendable launch system, designed to carry payloads into Earth orbit. It was part of the U.S. effort to deploy satellites for military and scientific purposes during the early Space Age.

### Technical Specifications
- **Stages**:
  - **Stage 0**: Atlas MA-2 (booster)
  - **Stage 1**: Atlas-LV3 (sustainer)
  - **Stage 2**: Agena A (upper stage, responsible for final orbital insertion)
- **Aliases**: The rocket was also referred to as **Atlas LV-3 Agena-A**, **Atlas LV3 Agena-A**, **Atlas LV-3A Agena A**, or **Atlas-LV3 Agena-A**.

### Operational History
- **First Launch**: February 26, 1960 (carrying **MIDAS 1**, which failed).
- **Notable Missions**:
  - **MIDAS 2** (successful early-warning satellite launch).
  - **SAMOS 1** and **SAMOS 2** (reconnaissance satellites; SAMOS 1 failed).
- **Retirement**: January 31, 1961, marking the end of its brief operational period.

### Legacy
While the Atlas-Agena A had a short service life, its development contributed to the broader **Atlas-Agena** program, which later achieved significant successes in launching satellites, lunar probes, and even early interplanetary missions. Its failures also provided valuable lessons for improving launch reliability in subsequent rocket designs.

## Schema Markup
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  "name": "Atlas-Agena A",
  "description": "Model of expendable launch system used for early U.S. satellite missions in 1960–1961.",
  "sameAs": [
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## References

1. [Source](https://space.skyrocket.de/doc_lau_det/atlas-lv3_agena-a.htm)