# Apollo 11 SIVB

> The Apollo Saturn V SIVB was the third stage of the Saturn V booster.

**Wikidata**: [Q111912932](https://www.wikidata.org/wiki/Q111912932)  
**Source**: https://4ort.xyz/entity/apollo-11-sivb

## Summary
The Apollo 11 SIVB was the third stage of the Saturn V rocket used to launch the Apollo 11 mission, which successfully landed humans on the Moon in 1969. It is classified as a spacecraft and played a critical role in propelling the Apollo 11 Command Module and Lunar Module into space.

## Key Facts
- **Aliases**: Apollo 11 Saturn V third stage, 04040, Apollo11SIVB
- **COSPAR ID**: 1969-059B
- **NSSDCA ID**: 1969-059B
- **Instance of**: Spacecraft
- **Description**: The Apollo Saturn V SIVB was the third stage of the Saturn V booster, designed to fly in space and facilitate lunar missions.
- **Mission**: Part of the Apollo 11 mission, which achieved the first crewed lunar landing.

## FAQs
**What was the Apollo 11 SIVB?**
The Apollo 11 SIVB was the third stage of the Saturn V rocket, responsible for propelling the Apollo 11 spacecraft into lunar orbit and beyond.

**What type of spacecraft was the Apollo 11 SIVB?**
The Apollo 11 SIVB was classified as a spacecraft, specifically a component of the Saturn V rocket used for lunar missions.

**What was the role of the Apollo 11 SIVB in the Apollo 11 mission?**
The SIVB provided the necessary thrust to send the Apollo 11 Command Module and Lunar Module into space and toward the Moon.

**What identifiers are associated with the Apollo 11 SIVB?**
The Apollo 11 SIVB is identified by COSPAR ID 1969-059B and NSSDCA ID 1969-059B.

## Why It Matters
The Apollo 11 SIVB was a pivotal component of the Saturn V rocket, enabling the historic Apollo 11 mission to reach the Moon. Its successful operation allowed astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins to land on the lunar surface, marking a significant milestone in human space exploration. The SIVB’s performance demonstrated the reliability of the Saturn V design, which would later support additional Apollo missions.

## Notable For
- **First crewed lunar mission**: The Apollo 11 SIVB was instrumental in achieving the first human landing on the Moon.
- **Saturn V third stage**: It was a critical part of the Saturn V rocket’s three-stage configuration, providing the final push needed for lunar insertion.
- **Spacecraft classification**: As a spacecraft, the SIVB was designed to operate in space, fulfilling its role in the Apollo program’s ambitious goals.

## Body
### Overview
The Apollo 11 SIVB was the third stage of the Saturn V rocket, designated S-IVB, which launched the Apollo 11 mission on July 16, 1969. The SIVB was responsible for propelling the Apollo 11 spacecraft into lunar orbit and beyond, a critical phase of the mission.

### Mission Role
The SIVB’s primary function was to provide the necessary thrust to send the Apollo 11 Command Module and Lunar Module into space. After the first and second stages of the Saturn V had completed their burns, the SIVB ignited its J-2 engines to achieve the required velocity for lunar insertion. This stage was essential for the mission’s success, as it ensured the spacecraft reached the Moon.

### Identification and Classification
The Apollo 11 SIVB is identified by several technical identifiers, including COSPAR ID 1969-059B and NSSDCA ID 1969-059B. It is classified as a spacecraft, aligning with its role as a component of the Saturn V rocket designed for spaceflight.

### Historical Significance
The Apollo 11 SIVB played a crucial role in one of humanity’s most significant achievements—the first crewed lunar landing. Its reliable performance allowed the mission to proceed as planned, culminating in the historic moonwalk by Neil Armstrong and Buzz Aldrin. The SIVB’s success demonstrated the Saturn V’s capability to support complex space missions.

### Related Entities
The Apollo 11 SIVB is connected to the broader category of spacecraft, which includes all vehicles designed for space exploration. It is also part of the Apollo program, which aimed to land humans on the Moon and return them safely to Earth. The Saturn V rocket, of which the SIVB was a component, was a key enabler of these missions.