Flight
- Date and time (UTC)
- March 16, 1979, 18:30
- Launch designation
- 1979-025
- Mission
- HEXAGON SV-15
- Flight name
- HEXAGON SV15
- Vehicle flight ID
- 23D-21
- Year
- Launches in 1979
Orbit and payload
- Initial apogee
- 624 km
- Payload mass to orbit
- 11.8 t
- Payloads
- 8
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| OPS 3854 | 1979-025ANORAD 11305 | National Reconnaissance Office | Optical imaging | 8,211 kg | Deorbited · Sep 22, 1979 |
| URSALA IV | 1979-025BNORAD 11306 | National Reconnaissance Office | Signals intelligence | 207 kg | Reentered (orbital decay) · 1992 |
| SRV Mission 1215-1 | 1979-025 | National Reconnaissance Office | — | — | — |
| SRV Mission 1215-2 | 1979-025 | National Reconnaissance Office | — | — | — |
| SRV 1811 | 1979-025 | National Reconnaissance Office | — | — | — |
| SRV Mission 1215-3 | 1979-025 | National Reconnaissance Office | — | — | — |
| SRV Mission 1215-4 | 1979-025 | National Reconnaissance Office | — | — | — |
| S78-1 | 1979-025A | USAF SMC/DoD Space Test Program | — | — | — |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.