Flight
- Date and time (UTC)
- June 16, 1961, 23:02
- Launch designation
- 1961 XI
- Mission
- CORONA C'-5
- Flight name
- Discoverer 25
- Vehicle flight ID
- 303/1107
- Flight code
- TAG025/MARKED CARD
- Year
- Launches in 1961
Orbit and payload
- Initial apogee
- 405 km
- Payload mass to orbit
- 1.1 t
- Payloads
- 5
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Discoverer 25 | 1961 XI 1NORAD 108 | US Air Force Space Systems Division | Optical imaging | 134 kg | Reentered attached to another object · Jul 12, 1961 |
| GRD Package | 1961 XI 1 | US Air Force Space Systems Division | — | — | — |
| SRV 510 | 1961 XI | US Air Force Space Systems Division | — | — | — |
| SOCTOP 6 | 1961 XI 1 | Secretary of the Air Force, Office of Special Projects (NRO Program A) | — | — | — |
| TAKI | 1961 XI 1 | Secretary of the Air Force, Office of Special Projects (NRO Program A) | — | — | — |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.