# ERS 20

> US Air Force satellite

**Wikidata**: [Q2772171](https://www.wikidata.org/wiki/Q2772171)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/OV5-3)  
**Source**: https://4ort.xyz/entity/ers-20

## Summary
ERS 20 is a US Air Force satellite that was launched on April 28, 1967. It is also known by the alias OV5-3 and was deployed from Cape Canaveral Space Launch Complex 41 aboard a Titan IIIC launch vehicle. As a spacecraft, ERS 20 is part of the OV5 series of satellites.

## Key Facts
*   ERS 20 is a US Air Force satellite.
*   It was launched on April 28, 1967.
*   The launch vehicle for ERS 20 was a Titan IIIC.
*   ERS 20 was launched from Cape Canaveral Space Launch Complex 41.
*   It is an instance of a spacecraft.
*   ERS 20 is also known by the alias OV5-3.
*   It is part of the OV5 series of satellites, specifically designated as the 3rd in the series, preceding ERS 21 and following ERS 28.
*   Its Satellite Catalog Number (SCN) is 02768.
*   Its COSPAR ID is 1967-040D.

## FAQs
### Q: What is ERS 20?
A: ERS 20 is a US Air Force satellite, also known as OV5-3. It is classified as a spacecraft and was launched in 1967.

### Q: When was ERS 20 launched?
A: ERS 20 was launched on April 28, 1967. This event took place at Cape Canaveral Space Launch Complex 41.

### Q: What rocket launched ERS 20?
A: ERS 20 was launched into space by a Titan IIIC launch vehicle. The Titan IIIC is a model of the Titan III launch vehicle.

### Q: What is another name for ERS 20?
A: ERS 20 is also known by its alias, OV5-3. This alternative designation is used in various references.

### Q: Is ERS 20 part of a larger series?
A: Yes, ERS 20 is part of the OV5 series of satellites. It is specifically identified as the third satellite in this series.

## Why It Matters
ERS 20 holds significance as a component of the United States Air Force's early space endeavors. As a spacecraft launched in 1967, it contributed to the expanding capabilities of the US in space during a critical period of technological advancement and strategic competition. Its deployment represented a step forward in the development and utilization of space-based assets, which are crucial for various applications, including communication, navigation, and reconnaissance.

Being part of the OV5 series, ERS 20 played a role in a broader program designed to explore and establish a presence in space. The successful launch and operation of such satellites were instrumental in demonstrating national technological prowess and in gathering data or performing functions that supported military or scientific objectives. The existence of ERS 20 underscores the continuous efforts to leverage space for strategic advantage and to advance the understanding and application of space technology, laying groundwork for future space missions and satellite systems.

## Notable For
*   Being a US Air Force satellite launched in 1967.
*   Its launch aboard a Titan IIIC, a model of the Titan III launch vehicle.
*   Being known by the alias OV5-3.
*   Its designation as the third satellite in the OV5 series.

## Body

### Overview
ERS 20 is identified as a US Air Force satellite. It is also known by the alias OV5-3. The entity is classified as a spacecraft.

### Launch Details
ERS 20 was launched on April 28, 1967. The launch originated from Cape Canaveral Space Launch Complex 41. The launch vehicle used for this mission was the Titan IIIC. The launch event is recorded as a significant event in its history.

### Identifiers and Classifications
*   **Satellite Catalog Number (SCN):** 02768
*   **COSPAR ID:** 1967-040D
*   **Instance of:** spacecraft
*   **Launch Vehicle:** Titan IIIC
*   **Launch Site:** Cape Canaveral Space Launch Complex 41
*   **Part of Series:** OV5 (specifically the 3rd in the series, following ERS 28 and preceding ERS 21)

### Related Entities
*   **Class:** spacecraft (a vehicle or machine designed to fly in space)
*   **Class:** Titan IIIC (a model of Titan III launch vehicle)

### Online Presence
*   **Wikipedia Title:** OV5-3
*   **Wikipedia Languages:** English (en), Galician (gl), Portuguese (pt)
*   **Wikidata Description:** US Air Force satellite
*   **Google Knowledge Graph ID:** /g/1q54w0b0g
*   **Wolfram Language Entity Code:** Entity["Satellite", "02768"]

## References

1. Jonathan's Space Report