# B1054

> expended Falcon 9 first-stage booster

**Wikidata**: [Q112174417](https://www.wikidata.org/wiki/Q112174417)  
**Source**: https://4ort.xyz/entity/b1054

## Summary
B1054 was a Falcon 9 first-stage booster that was expended during its final mission, launching the GPS III SV01 satellite on December 23, 2018. As part of SpaceX's Block 5 fleet, it played a role in the company's reusable rocket program but was not recovered after its lone flight.

## Key Facts
- **Manufacturer**: SpaceX
- **Serial Number**: B1054 (classified under SpaceX's naming convention)
- **Class**: Falcon 9 Block 5
- **Launch Date**: December 23, 2018
- **Final Mission**: GPS III SV01 (U.S. Air Force navigation satellite)
- **Fate**: Expended (not recovered post-launch)
- **Preceded By**: B1053 (Falcon Heavy side booster)
- **Followed By**: B1055 (Falcon Heavy core booster, later destroyed)
- **Country of Origin**: United States

## FAQs
### Q: What was B1054's final mission?
A: B1054 launched the GPS III SV01 satellite on December 23, 2018, enhancing U.S. military and civilian navigation capabilities.

### Q: Why was B1054 not reused?
A: The booster was expended during its mission, meaning it did not attempt recovery and was intentionally discarded after launch.

### Q: Is B1054 part of the Falcon Heavy rocket?
A: No, B1054 was a Falcon 9 first-stage booster. It is related to Falcon Heavy components like B1053 and B1055 but operated independently.

## Why It Matters
B1054 represents a critical yet expendable component of SpaceX's launch infrastructure. While its destruction contrasts with the company's reusability goals, its successful deployment of the GPS III SV01 satellite underscored its role in national security and global navigation. As a Block 5 booster, it embodied advancements in rocket technology, even as its single-use outcome highlighted the challenges of spaceflight. The mission's success reinforced SpaceX's reliability for high-priority government contracts, contributing to the expansion of the modernized GPS constellation.

## Notable For
- **GPS III SV01 Launch**: Deployed the first next-generation GPS satellite, improving signal accuracy and resistance to interference.
- **Block 5 Membership**: Part of SpaceX's upgraded Falcon 9 variant designed for reusability, though B1054 itself was not recovered.
- **Expendable Fate**: Intentionally not recovered, demonstrating the calculated trade-offs in launch operations.

## Body
### Mission Details
- **Date**: December 23, 2018
- **Payload**: GPS III SV01 (Space Vehicle 01)
- **Launch Site**: Cape Canaveral Air Force Station, Florida
- **Outcome**: Successful deployment; booster expended post-stage separation.

### Specifications
- **Rocket Class**: Falcon 9 Block 5 (optimized for reusability and performance)
- **Manufacturer**: SpaceX (founded 2002, headquartered in Hawthorne, California)
- **Country**: United States

### Fate
- **Expenditure**: B1054 did not attempt a landing or recovery, consistent with mission requirements.
- **Legacy**: Contributed to the U.S. Air Force's GPS modernization initiative, supporting military and civilian users worldwide.

## Schema Markup
```json
{
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  "@type": "Thing",
  "name": "B1054",
  "description": "Expended Falcon 9 first-stage booster",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q110983044",
    "https://commons.wikimedia.org/wiki/Category:SpaceX_Falcon_9_B1054"
  ],
  "manufacturer": "SpaceX",
  "serialNumber": "B1054",
  "countryOfOrigin": "United States",
  "significantEvent": {
    "@type": "Event",
    "name": "GPS III SV01 launch",
    "startDate": "2018-12-23"
  }
}