Delta E1
| Status | Retired |
|---|---|
| Rocket family | Delta |
| Country | United States |
| Manufacturer | Douglas |
| Number of orbital launches | 16 |
| First launch | 1966-07-01 |
| Last launch | 1971-04-01 |
Launches by year:
Launches:
| Launch date | Launch site | Rocket / Variant | Payload | Notes | Status |
|---|---|---|---|---|---|
| 1971-04-01 | Vandenberg | Delta E1 | Isis 2 | success | |
| 1969-06-21 | Vandenberg | Delta E1 | Explorer 41 (IMP G, IMP 5) | success | |
| 1969-02-26 | Cape Canaveral | Delta E1 | ESSA 9 | success | |
| 1969-01-30 | Vandenberg | Delta E1 | Isis 1 | success | |
| 1968-12-05 | Cape Canaveral | Delta E1 | HEOS 1 | success | |
| 1968-11-08 | Cape Canaveral | Delta E1 | Pioneer 9 / TTS 2 | B | success |
| 1968-01-11 | Vandenberg | Delta E1 | Explorer 36 (GEOS B) | success | |
| 1967-12-13 | Cape Canaveral | Delta E1 | Pioneer 8 / TTS 1 | B | success |
| 1967-11-10 | Vandenberg | Delta E1 | ESSA 6 | success | |
| 1967-09-28 | Cape Canaveral | Delta E1 | Intelsat-2 4 | success | |
| 1967-07-19 | Cape Canaveral | Delta E1 | Explorer 35 (IMP E, AIMP 2) | B | success |
| 1967-05-24 | Vandenberg | Delta E1 | Explorer 34 (IMP F, IMP 4) | success | |
| 1967-01-11 | Cape Canaveral | Delta E1 | Intelsat-2 2 (Lani Bird) | success | |
| 1966-10-26 | Cape Canaveral | Delta E1 | Intelsat-2 1 (Blue Bird) | pfailure | |
| 1966-08-17 | Cape Canaveral | Delta E1 | Pioneer 7 | B | success |
| 1966-07-01 | Cape Canaveral | Delta E1 | Explorer 33 (IMP D, AIMP 1) | success | |
Variants:
(This section is under construction)Delta E1 Base variant
| First launch | 1966-07-01 |
|---|---|
| Stages | 3 |
| Boosters | 3 x Thiokol Castor TX-345-5 |
Payload capacity:
| LEO | 553 kg |
|---|
Thrust-Augmented Improved Delta with FW-4D motor as the third stage. This used a new version of the Delta stage, abandoning the slender form factor inherited from Able in favor of tanks based on the wider Ablestar.