# Atlas V 431

> United Launch Alliance launch vehicle

**Wikidata**: [Q16351989](https://www.wikidata.org/wiki/Q16351989)  
**Source**: https://4ort.xyz/entity/atlas-v-431

## Summary
Atlas V 431 is a specific configuration of the Atlas V expendable launch system developed by United Launch Alliance. It is designed to deploy communications satellites into orbit.

## Key Facts
- **Instance of:** Rocket model, weapon model
- **Subclass of:** Atlas V
- **Operator:** United Launch Alliance
- **Class:** American expendable launch system
- **Primary Payloads:** Communications satellites (e.g., EchoStar 19, Intelsat 14, Inmarsat-4 F1)
- **Sitelink Count:** 1 (indicating limited dedicated coverage)
- **Wikipedia Languages:** Available in Latvian (lv)

## FAQs
### Q: What is Atlas V 431?
A: Atlas V 431 is a specific variant of the Atlas V rocket, an American expendable launch system operated by United Launch Alliance, configured for launching communications satellites.

### Q: What satellites has Atlas V 431 launched?
A: Atlas V 431 has launched communications satellites including EchoStar 19, Intelsat 14, and Inmarsat-4 F1.

### Q: Who builds the Atlas V 431?
A: Atlas V 431 is built and operated by United Launch Alliance (ULA).

### Q: What distinguishes the "431" configuration?
A: The "431" designation specifies the rocket's configuration: a 4-meter diameter fairing, 3 solid rocket boosters, and a single-engine Centaur upper stage.

### Q: Is Atlas V 431 still in use?
A: The provided information does not specify the current operational status of the Atlas V 431 configuration.

## Why It Matters
Atlas V 431 represents a critical capability within the United Launch Alliance's portfolio, specifically tailored for deploying large, high-value communications satellites into geostationary transfer orbit (GTO). This configuration, combining the power of three solid rocket boosters with the reliability of the Atlas V core and Centaur upper stage, enables the delivery of essential telecommunications infrastructure that supports global connectivity, broadcasting, and data services. Its role in launching satellites like EchoStar 19 and Intelsat 14 underscores its importance in maintaining and expanding modern communication networks.

## Notable For
- **Specific Configuration:** Identified by the "431" designation, signifying a 4-meter fairing, 3 solid rocket boosters, and a single-engine Centaur upper stage.
- **Communications Satellite Specialist:** Primarily configured and utilized for launching large communications satellites.
- **ULA Workhorse:** Part of the broader Atlas V family, a cornerstone of ULA's launch offerings.
- **Launch Record:** Successfully deployed specific high-profile communications satellites like EchoStar 19, Intelsat 14, and Inmarsat-4 F1.

## Body
### Configuration
- The "431" designation denotes a specific Atlas V variant configuration.
- **4:** Indicates the use of the 4-meter diameter payload fairing.
- **3:** Specifies the number of solid rocket boosters (SRBs) attached to the first stage.
- **1:** Denotes the use of a single-engine Centaur upper stage.

### Operator and Class
- Operated by United Launch Alliance (ULA).
- Classified as an American expendable launch system.
- Belongs to the Atlas V rocket model class.

### Payloads
- Primarily tasked with launching communications satellites.
- Notable launched payloads include:
  - EchoStar 19 (communications satellite)
  - Intelsat 14 (communications satellite)
  - Inmarsat-4 F1 (satellite)

### Documentation and Coverage
- Has a dedicated Wikidata entry.
- Limited Wikipedia coverage, with only one sitelink identified.
- Available documentation includes a Latvian language Wikipedia page.