Space Launch CalendarHome › 1977 › Thor DSV-2U
DMSP Block 5D S-2 on Thor DSV-2U, 1977-06-05 (Success)
ResultSuccess
Date1977-06-05 02:59 UTC
VehicleThor DSV-2UThor DSV-2U
Thor DSV-2U flight no.2success rate so far 100%
No. in 197745 / 128orbital attempts
Agency countryUnited States10ADS
| Item | Value |
|---|---|
| Launch site | Vandenberg AFB, California |
| Payload | DMSP Block 5D S-2 |
| GCAT launch tag | 1977-044 |
| Mass to orbit | 1.2 t |
Neighbouring Thor DSV-2U launches
| Date | Payload | Vehicle | Site | Result |
|---|---|---|---|---|
| 1976-09-11 | DMSP Block 5D S-1 | Thor DSV-2U | V | Success |
| 1977-06-05 | DMSP Block 5D S-2 | Thor DSV-2U | V | Success |
| 1978-05-01 | DMSP Block 5D S-3 | Thor DSV-2U | V | Success |
| 1979-06-06 | DMSP Block 5D S-5 | Thor DSV-2U | V | Success |
| 1980-07-15 | DMSP Block 5D S-4 | Thor DSV-2U | V | Failure |
Thor DSV-2U launches per year
Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.