# D-301

> Delta IV Medium space launch vehicle

**Wikidata**: [Q23933951](https://www.wikidata.org/wiki/Q23933951)  
**Source**: https://4ort.xyz/entity/d-301

## Summary
D-301 is the designation for a Delta IV Medium space launch vehicle. It launched on August 29, 2003, from Cape Canaveral Space Launch Complex 37B. The mission successfully deployed the USA-170 payload.

## Key Facts
- **Entity Type:** D-301 is an instance of the Delta IV Medium space launch vehicle.
- **Payload:** The vehicle carried and deployed USA-170.
- **Launch Date:** The launch took place on August 29, 2003.
- **Launch Site:** The launch originated from Cape Canaveral Space Launch Complex 37B.
- **Vehicle Class:** It is a variant of the Delta IV family of space launch vehicles.
- **Significant Event:** The entity is associated with a rocket launch event at the specified location and date.

## FAQs
### Q: What specific model of rocket is D-301?
A: D-301 is a Delta IV Medium space launch vehicle, which is a variant of the broader Delta IV rocket family.

### Q: When did D-301 launch?
A: D-301 launched on August 29, 2003.

### Q: What was the payload for the D-301 mission?
A: The D-301 launch vehicle carried the USA-170 payload.

### Q: Where was D-301 launched from?
A: The vehicle was launched from Cape Canaveral Space Launch Complex 37B.

## Why It Matters
D-301 represents a specific, documented operational instance of the Delta IV Medium launch system, serving as a critical data point in the history of space logistics. As a distinct configuration within the Delta IV family, its proper cataloging helps distinguish between the various capabilities and mission profiles of the launch vehicle class.

The entry is significant for aerospace tracking and historical accuracy because it links a specific hardware identifier (D-301) to a concrete time and place (Cape Canaveral SLC-37B on August 29, 2003) and a specific outcome (the deployment of USA-170). This level of granularity is essential for verifying the reliability and historical manifest of the Delta IV platform.

## Notable For
- **Specific Configuration:** Being identified specifically as a Delta IV Medium variant.
- **Payload Deployment:** The successful insertion of the USA-170 satellite.
- **Launch Infrastructure:** Utilization of the Cape Canaveral Space Launch Complex 37B.
- **Precise Dating:** Serving as a verified historical entry for the August 29, 2003 launch date.

## Body
### Vehicle Identity
D-301 is formally classified as an instance of the Delta IV Medium space launch vehicle. It belongs to the Delta IV family, representing a specific variant designed for medium-lift missions.

### Mission Profile
The primary objective of the D-301 launch involved the transportation and deployment of USA-170. This payload is the documented cargo associated with the vehicle's flight.

### Launch Operations
The significant event for this entity is a rocket launch. This operation was conducted on August 29, 2003. The start point for the mission was Cape Canaveral Space Launch Complex 37B.

## References

1. [Source](http://space.skyrocket.de/doc_lau/delta-4.htm)