Flight
- Date and time (UTC)
- September 10, 2026, 15:42
- Launch designation
- 2026-206
- Mission
- SBST R-2
- Flight name
- USSF-153
- Vehicle flight ID
- xxx/B1081.27 F687
- Year
- Launches in 2026
Orbit and payload
- Initial perigee
- 300 km
- Initial apogee
- 300 km
- Inclination
- 70.0°
- Payload mass to orbit
- 16.0 t
- Payloads
- 23
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| USA 644 | 2026-206ANORAD 100658 | US Space Force Space Systems Command | — | — | — |
| USA 645 | 2026-206BNORAD 100659 | US Space Force Space Systems Command | — | — | — |
| USA 646 | 2026-206CNORAD 100660 | US Space Force Space Systems Command | — | — | — |
| USA 647 | 2026-206DNORAD 100661 | US Space Force Space Systems Command | — | — | — |
| USA 648 | 2026-206ENORAD 100662 | US Space Force Space Systems Command | — | — | — |
| USA 649 | 2026-206FNORAD 100663 | US Space Force Space Systems Command | — | — | — |
| USA 650 | 2026-206GNORAD 100664 | US Space Force Space Systems Command | — | — | — |
| USA 651 | 2026-206HNORAD 100665 | US Space Force Space Systems Command | — | — | — |
| USA 652 | 2026-206JNORAD 100666 | US Space Force Space Systems Command | — | — | — |
| USA 653 | 2026-206KNORAD 100667 | US Space Force Space Systems Command | — | — | — |
| USA 654 | 2026-206LNORAD 100668 | US Space Force Space Systems Command | — | — | — |
| USA 655 | 2026-206MNORAD 100669 | US Space Force Space Systems Command | — | — | — |
| USA 656 | 2026-206NNORAD 100670 | US Space Force Space Systems Command | — | — | — |
| USA 657 | 2026-206PNORAD 100671 | US Space Force Space Systems Command | — | — | — |
| USA 658 | 2026-206QNORAD 100672 | US Space Force Space Systems Command | — | — | — |
| USA 659 | 2026-206RNORAD 100673 | US Space Force Space Systems Command | — | — | — |
| USA 660 | 2026-206SNORAD 100674 | US Space Force Space Systems Command | — | — | — |
| USA 661 | 2026-206TNORAD 100675 | US Space Force Space Systems Command | — | — | — |
| USA 662 | 2026-206UNORAD 100676 | US Space Force Space Systems Command | — | — | — |
| USA 663 | 2026-206VNORAD 100677 | US Space Force Space Systems Command | — | — | — |
| USA 664 | 2026-206WNORAD 100678 | US Space Force Space Systems Command | — | — | — |
| USA 665 | 2026-206XNORAD 100679 | US Space Force Space Systems Command | — | — | — |
| USA 666 | 2026-206YNORAD 100680 | US Space Force Space Systems Command | — | — | — |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.