# M-4S

> Japanese carrier rocket

**Wikidata**: [Q11230715](https://www.wikidata.org/wiki/Q11230715)  
**Source**: https://4ort.xyz/entity/m-4s

## Summary
The M-4S, also known as the Mu-4S, is a Japanese carrier rocket model. It is a specific variant within the Mu series, a family of solid-fueled carrier rockets developed in Japan.

## Key Facts
*   **Aliases:** Mu-4S, M-4S
*   **Classification:** Rocket model
*   **Parent Series:** Mu (a series of Japanese solid-fueled carrier rockets)
*   **Country of Origin:** Japan
*   **Primary Function:** Carrier rocket
*   **Associated Satellites:** Tansei, Shinsei, Denpa
*   **Google Knowledge Graph ID:** /g/1216fs0v
*   **Wikidata Description:** Japanese carrier rocket

## FAQs
### Q: What is the M-4S?
A: The M-4S is a Japanese carrier rocket model. It is classified as a subclass of the Mu series of rockets.

### Q: What type of fuel did the M-4S use?
A: As a member of the Mu series, the M-4S is a solid-fueled carrier rocket.

### Q: Which satellites are associated with the M-4S rocket?
A: The M-4S is related to the Japanese artificial satellites Tansei, Shinsei, and Denpa.

## Why It Matters
The M-4S holds significance as a distinct model within Japan's early aerospace efforts, specifically categorized under the Mu series of solid-fueled carrier rockets. As a product of Japan's space development program, this rocket model represents a specific configuration of launch vehicle technology used during the era of its operation.

The vehicle plays a critical role in the deployment and support of Japanese scientific infrastructure. It is directly associated with the launch capabilities for notable artificial satellites such as Tansei, Shinsei, and Denpa. By serving as the carrier for these scientific research satellites, the M-4S contributed to the collection of space data and the advancement of Japan's capabilities in placing objects into orbit. Its existence helps define the lineage and technical progression of the Mu rocket family.

## Notable For
*   **Membership in the Mu Series:** It is a recognized subclass of the Mu family of rockets.
*   **Solid-Fueled Technology:** Identified as part of a series specifically utilizing solid fuel.
*   **Satellite Deployment:** Directly associated with the Tansei, Shinsei, and Denpa satellites.
*   **Japanese Engineering:** A distinct rocket model originating from Japan.

## Body

### Identity and Classification
The M-4S is a rocket model identified by the aliases Mu-4S and M-4S. It is categorized as a subclass of the Mu series, which is defined as a series of Japanese solid-fueled carrier rockets. The entity holds a Google Knowledge Graph ID of /g/1216fs0v and is described in Wikidata as a "Japanese carrier rocket."

### National Origin
The M-4S originates from Japan. It is part of the country's portfolio of aerospace launch vehicles, specifically contributing to the Mu lineage of rockets.

### Associated Payloads
The rocket model is linked to several key Japanese space assets:
*   **Tansei:** A Japanese artificial satellite.
*   **Shinsei:** An associated entity in the Japanese space program.
*   **Denpa:** A Japanese scientific research satellite.