# List of Thor and Delta launches (1970–1979)

Between 1970 and 1979, there were 117 Thor missiles launched, of which 108 were successful, giving a 92.3% success rate.
NASA used it to launch its own satellites, as well as to launch satellites for foreign governments and companies.

## Launch statistics
### Rocket configurations

* Thor SVL
* Thor DSV
* Thor Burner
* Delta E
* Delta L
* Delta M
* Delta N
* Delta I (0100)
* Delta I (1000)
* Delta I (2000)
* Delta I (3000)
* N-I

### Launch sites

* Cape Canaveral SLC-17A
* Cape Canaveral SLC-17B
* Vandenberg SLC-1W
* Vandenberg SLC-2W
* Vandenberg SLC-2E
* Vandenberg SLC-3W
* Vandenberg SLC-10W
* Tanegashima SLC-N
* Johnston LE-1
* Johnston LE-2

### Launch outcomes

* Success
* Partial Failure
* Failure

## 1970

There were 19 Thor missiles launched in 1970. 18 of the 19 launches were successful, giving a 94.7% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1970-01-15 00:16 | Delta M | Delta 75 Thor 557 | CCAFS SLC-17A | Intelsat 3-6 | Communication satellite | GTO | Success | |
| 1970-01-23 11:52 | Delta N6 | Delta 76 Thor 542 | VAFB SLC-2W | TIROS-M / Oscar 5 | Weather Satellite / Amateur radio satellite | LEO / SSO | Success | |
| 1970-02-04 02:59 | Thorad SLV-2G Agena-D | Thor 534 Agena Unknown | VAFB SLC-2E | SERT 2 | Technological demonstration satellite | MEO | Success | |
| 1970-02-11 08:40 | Thor Burner 2 | Thor 287 | VAFB SLC-10W | DMSP-5A-F1 | Military weather satellite | LEO / SSO | Success | |
| 1970-03-04 22:15 | Thorad SLV-2H Agena-D | Thor 551 Agena 1657 | VAFB SLC-3W | KH-4B (S/N 1109) | Reconnaissance | LEO | Success | |
| 1970-03-20 23:46 | Delta M | Delta 77 Thor 558 | CCAFS SLC-17A | NATO 1 | Military communication satellite | GTO | Success | |
| 1970-03-27 07:37 | Thor DSV-2J | Thor 152 | Johnston LE-1 | | ASAT test | Suborbital | Success | |
| 1970-04-08 08:17 | Thorad SLV-2G Agena-D | Thor 553 Agena 6223 | VAFB SLC-2E | Nimbus 4 / TOPO-1 | Weather satellite / Geodesic research satellite | LEO / SSO | Success | |
| 1970-04-23 00:46 | Delta M | Delta 78 Thor 559 | CCAFS SLC-17A | Intelsat 3-7 | Communication satellite | GTO | Success | |
| 1970-04-24 | Thor DSV-2J | Thor 225 | Johnston LE-1 | | Satellite Inspection test | Suborbital | Failure | Thor rocket collided with the satellite. |
| 1970-05-20 21:35 | Thorad SLV-2H Agena-D | Thor 555 Agena 1657 | VAFB SLC-3W | KH-4B (S/N 1110) | Reconnaissance | LEO | Success | |
| 1970-07-23 01:25 | Thorad SLV-2H Agena-D | Thor 556 Agena 1654 | VAFB SLC-3W | KH-4B (S/N 1111) | Reconnaissance | LEO | Success | |
| 1970-07-23 23:23 | Delta M | Delta 79 Thor 563 | CCAFS SLC-17A | Intelsat 3-8 | Communication satellite | GTO | Success | |
| 1970-08-19 12:11 | Delta M | Delta 80 Thor 561 | CCAFS SLC-17A | Skynet-1B | Military communication satellite | GTO | Success | |
| 1970-08-26 10:01 | Thorad SLV-2G Agena-D | Thor 535 Agena 2736 | VAFB SLC-1W | Ferret 15 (OPS 8329) | ELINT | LEO | Success | |
| 1970-09-03 08:39 | Thor Burner 2 | Thor 288 | VAFB SLC-10W | DMSP-5A-F2 | Military weather satellite | LEO / SSO | Success | |
| 1970-09-24 12:54 | Thor DSV-2J | Thor 271 | Johnston LE-2 | | Astronomy research flight | Suborbital | Success | |
| 1970-11-18 21:29 | Thorad SLV-2H Agena-D | Thor 552 Agena 1658 | VAFB SLC-3W | KH-4B (S/N 1112) | Reconnaissance | LEO | Success | |
| 1970-12-11 11:35 | Delta N6 | Delta 81 Thor 546 | VAFB SLC-2W | NOAA-1 | Weather Satellite | LEO / SSO | Success | |

## 1971

There were 14 Thor missiles launched in 1971. 12 of the 14 launches were successful, giving an 85.7% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1971-02-03 01:41 | Delta M | Delta 82 Thor 560 | CCAFS SLC-17A | NATO 2 | Military communication satellite | GTO | Success | |
| 1971-02-17 03:52 | Thor Burner 2 | Thor 249 | VAFB SLC-10W | DMSP-5A-F3 / Calsphere 3A / Calsphere 4 / Calsphere 5 | Military weather satellite / Technology demonstration (x3) | LEO / SSO | Success | |
| 1971-02-17 20:04 | Thorad SLV-2H Agena-D | Thor 537 Agena 1659 | VAFB SLC-3W | KH-4B (S/N 1113) | Reconnaissance | LEO | Failure | Improper pre-flight procedure caused frozen lubricant to form a plug that resulted in complete turbopump failure 18 seconds after liftoff. The booster lost thrust and impacted the ground not far from the launch complex. |
| 1971-03-13 16:15 | Delta M6 | Delta 83 Thor 562 | CCAFS SLC-17A | Explorer 43 (IMP-H) | Magnetosphere research satellite | HEO | Success | |
| 1971-03-24 21:05 | Thorad SLV-2H Agena-D | Thor 538 Agena 1660 | VAFB SLC-3W | KH-4B (S/N 1114) | Reconnaissance | LEO | Success | |
| 1971-04-01 02:53 | Delta E1 | Delta 84 Thor 491 | VAFB SLC-2E | ISIS-II | Ionosphere research satellite | LEO / SSO | Success | |
| 1971-06-08 14:00 | Thor Burner 2 | Thor 210 | VAFB SLC-10W | SESP-1 (P70-1) | Technological demonstration satellite | LEO | Success | |
| 1971-07-16 21:29 | Thorad SLV-2H Agena-D | Thor 552 Agena 1658 | VAFB SLC-1W | Ferret 16 (OPS 8373) | ELINT | LEO | Success | |
| 1971-09-10 21:33 | Thorad SLV-2H Agena-D | Thor 567 Agena 1662 | VAFB SLC-3W | KH-4B (S/N 1115) | Reconnaissance | LEO | Success | |
| 1971-09-29 09:50 | Delta N | Delta 85 Thor 565 | CCAFS SLC-17A | OSO 7 / TTS-4 | Solar observation satellite / Technology demonstration | LEO, 321×572 km, 93.2 min, i=33.1°, e=0.0184 | Success | 2nd stage suffered a failure of the attitude control system, however the satellite reached orbit and ground controllers were able to correct its flight path. |
| 1971-10-14 07:51 | Thor Burner 2A | Thor 159 | VAFB SLC-10W | DMSP-5B-F1 | Military weather satellite | LEO / SSO | Success | |
| 1971-10-17 13:36 | Thorad SLV-2G Agena-D | Thor 570 Agena Unknown | VAFB SLC-1W | ASTEX (P71-2) | Technological demonstration satellite | LEO | Success | |
| 1971-10-21 11:32 | Delta N6 | Delta 86 Thor 572 | VAFB SLC-2E | ITOS-B | Weather Satellite | planned: LEO / SSO | Failure | 2nd stage oxidizer leak starting at T+20 seconds. The attitude control system ran out of propellant trying to correct the stage's flight path and the launch vehicle reentered the atmosphere and broke up above the Arctic Circle. |
| 1971-12-14 21:13 | Thorad SLV-2G Agena-D | Thor 568 Agena Unknown | VAFB SLC-1W | Poppy (OPS 7898) (x4) | ELINT | LEO | Success | Final flight of SLV-2G |

## 1972

There were 11 Thor missiles launched in 1972. All 11 launches were successful.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1972-01-31 17:20 | Delta L | Delta 87 Thor 564 | VAFB SLC-2E | HEOS 2 | Magnetosphere research satellite | HEO | Success | |
| 1972-03-12 00:00 | Delta N | Delta 88 Thor 573 | VAFB SLC-2E | TD-1A | Astronomical research satellite | LEO / SSO | Success | |
| 1972-03-24 08:46 | Thor Burner 2A | Thor 153 | VAFB SLC-10W | DMSP-5B-F2 | Military weather satellite | LEO / SSO | Success | |
| 1972-04-19 21:43 | Thorad SLV-2H Agena-D | Thor 569 Agena 1661 | VAFB SLC-3W | KH-4B (S/N 1116) | Reconnaissance | LEO | Success | |
| 1972-05-25 18:41 | Thorad SLV-2H Agena-D | Thor 571 Agena 1663 | VAFB SLC-3W | KH-4B (S/N 1117) | Reconnaissance | LEO | Success | Final flight of Thorad-Agena Last Corona spacecraft |
| 1972-07-23 18:06 | Delta 904 | Delta 89 Thor 574 | VAFB SLC-2W | Landsat 1 | Earth Resource Technology Satellite | 917 km LEO, near polar, Sun synchronous. | Success | First use of 9 strap-on SRBs. Discovered Landsat Island. |
| 1972-09-23 13:20 | Delta 1604 | Delta 90 Thor 579 | CCAFS SLC-17B | Explorer 47 (IMP-I) | Magnetospheric research satellite | HEO | Success | First successful flight of Delta-1000 series. |
| 15 October 1972 17:17 | Delta 300 | Delta 91 Thor 575 | VAFB, SLC-2W | NOAA-2 / AMSAT-OSCAR 6 | Weather satellite / Amateur radio satellite | LEO / SSO | Success | |
| 1972-11-09 03:43 | Thor Burner 2A | Thor 294 | VAFB SLC-10W | DMSP-5B-F3 | Military weather satellite | LEO / SSO | Success | |
| 1972-11-10 01:14 | Delta 1914 | Delta 92 Thor 580 | CCAFS SLC-17B | Anik-A1 | Communication Satellite | GTO | Success | |
| 1972-12-11 07:56 | Delta 900 | Delta 93 Thor 577 | VAFB SLC-2W | Nimbus 5 | Weather Satellite | LEO / SSO | Success | |

## 1973

There were 7 Thor missiles launched in 1973. 6 of the 7 launches were successful, giving an 85.7% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1973-04-20 23:47 | Delta 1914 | Delta 94 Thor 583 | CCAFS SLC-17B | Anik-A2 | Communication Satellite | GTO | Success | |
| 1973-06-10 14:13 | Delta 1913 | Delta 95 Thor 581 | CCAFS SLC-17B | Explorer 49 (RAE-B) | Radio astronomy satellite | Lunar Orbit | Success | |
| 1973-07-16 17:10 | Delta 300 | Delta 96 Thor 578 | VAFB SLC-2W | ITOS-E | Weather Satellite | planned: LEO / SSO | Failure | Hydraulic pump malfunction led to failure of the 2nd stage attitude control system. The booster and payload reentered the atmosphere and broke up. |
| 1973-08-17 04:49 | Thor Burner 2A | Thor 291 | VAFB SLC-10W | DMSP-5B-F4 | Military weather satellite | LEO / SSO | Success | |
| 1973-10-26 02:26 | Delta 1604 | Delta 97 Thor 582 | CCAFS SLC-17B | Explorer 50 (IMP-J) | Magnetospheric research satellite | HEO | Success | |
| 1973-11-06 14:02 | Delta 300 | Delta 98 Thor 576 | VAFB SLC-2W | NOAA-3 | Weather Satellite | LEO / SSO | Success | |
| 1973-12-16 06:18 | Delta 1900 | Delta 99 Thor 585 | VAFB SLC-2W | Explorer 51 (AE-C) | Atmospheric research satellite | MEO | Success | |

## 1974

There were 9 Thor missiles launched in 1974. 8 of the 9 launches were successful, giving an 88.9% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1974-01-19 01:38 | Delta 2313 | Delta 100 Thor 587 | CCAFS SLC-17B | Skynet-2A | Military communication satellite | planned: GTO | Failure | First flight of the Delta 2000 series. Stage 2 electronics package short circuited (induced by a piece of conductive contaminant shaken loose during launch), leading to loss of control. |
| 1974-03-16 08:00 | Thor Burner 2A | Thor 207 | VAFB SLC-10W | DMSP-5B-F5 | Military weather satellite | LEO / SSO | Success | |
| 1974-04-13 21:33 | Delta 2914 | Delta 101 Thor 588 | CCAFS SLC-17B | Westar-1 | Communication satellite | GTO | Success | |
| 1974-05-17 10:31 | Delta 2914 | Delta 102 Thor 590 | CCAFS SLC-17B | SMS-1 | Weather satellite | GTO | Success | |
| 1974-08-09 03:22 | Thor Burner 2A | Thor 275 | VAFB SLC-10W | DMSP-5C-F1 | Military weather satellite | LEO / SSO | Success | |
| 1974-10-10 22:53 | Delta 2914 | Delta 103 Thor 589 | CCAFS SLC-17B | Westar-2 | Communication satellite | GTO | Success | |
| 1974-11-15 17:11 | Delta 2310 | Delta 104 Thor 592 | VAFB SLC-2W | NOAA-4 / Oscar 7 / Intasat | Weather Satellite / Amateur radio satellite / Ionosphere research | LEO / SSO | Success | |
| 1974-11-23 00:28 | Delta 2313 | Delta 105 Thor 591 | CCAFS SLC-17B | Skynet-2B | Military communication satellite | GTO | Success | |
| 1974-12-19 02:39 | Delta 2914 | Delta 106 Thor 599 | CCAFS SLC-17B | Symphonie-1 | Communication satellite | GTO | Success | |

## 1975

There were 16 Thor missiles launched in 1975. All 16 launches were successful.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1975-01-22 17:56 | Delta 2910 | Delta 107 Thor 598 | VAFB SLC-2W | Landsat 2 | Earth Resource Technology Satellite | 917 km LEO, near polar, Sun synchronous. | Success | Satellite operated until Feb 25, 1982. |
| 1975-02-06 22:04 | Delta 2914 | Delta 108 Thor 593 | CCAFS SLC-17B | SMS-2 | Weather satellite | GTO | Success | |
| 1975-04-10 23:50 | Delta 1410 | Delta 109 Thor 584 | VAFB SLC-2W | GEOS-C | Geodetic research satellite | LEO | Success | |
| 1975-05-07 23:35 | Delta 2914 | Delta 110 Thor 596 | CCAFS SLC-17B | Anik-A3 | Communication Satellite | GTO | Success | |
| 1975-05-24 03:22 | Thor Burner 2A | Thor 197 | VAFB SLC-10W | DMSP-5C-F2 | Military weather satellite | LEO / SSO | Success | |
| 1975-06-12 08:12 | Delta 2910 | Delta 111 Thor 595 | VAFB SLC-2W | Nimbus 6 | Weather Satellite | LEO / SSO | Success | |
| 1975-06-21 11:43 | Delta 1910 | Delta 112 Thor 586 | CCAFS SLC-17B | OSO 8 | Solar observation satellite | LEO | Success | |
| 1975-08-09 01:47 | Delta 2913 | Delta 113 Thor 602 | VAFB SLC-2W | COS-B | High-energy astronomy research satellite | HEO | Success | |
| 1975-09-09 05:30 | N-I | N-1 (F) | Tanegashima SLC-N | KIKU-1 | Technological demonstration satellite | MEO | Success | First Japanese licensed built Delta flight. |
| 1975-08-27 01:42 | Delta 2914 | Delta 114 Thor 594 | CCAFS SLC-17A | Symphonie-2 | Communication satellite | GTO | Success | |
| 1975-09-19 | Thor DSV-2J | Thor 201 | Johnston LE-2 | | Missile defense test tracking target | Suborbital | Success | |
| 1975-10-06 09:01 | Delta 2910 | Delta 115 Thor 600 | VAFB SLC-2W | Explorer 54 (AE-D) | Atmospheric research satellite | MEO | Success | |
| 1975-10-16 22:40 | Delta 2914 | Delta 116 Thor 597 | CCAFS SLC-17B | GOES-A (GOES-1) | Weather satellite | GTO | Success | |
| 1975-11-06 | Thor DSV-2J | Thor 274 | Johnston LE-2 | | Missile defense test tracking target | Suborbital | Success | Last sub-orbital Thor series flight |
| 1975-11-20 02:06 | Delta 2910 | Delta 117 Thor 604 | CCAFS SLC-17B | Explorer 55 (AE-E) | Atmospheric research satellite | MEO | Success | |
| 1975-12-13 01:56 | Delta 3914 | Delta 118 Thor 607 | CCAFS SLC-17A | Satcom-1 | Communication satellite | GTO | Success | First flight of the Delta 3000 series. |

## 1976

There were 12 Thor missiles launched in 1976. 11 of the 12 launches were successful, giving a 91.7% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1976-01-17 23:28 | Delta 2914 | Delta 119 Thor 606 | CCAFS SLC-17B | CTS 1 Hermes | Experimental communication satellite | GTO | Success | |
| 1976-02-19 07:52 | Thor Burner 2A | Thor 182 | VAFB SLC-10W | DMSP-5C-F3 | Military weather satellite | planned: LEO / SSO | Failure | Thor stage not loaded with enough kerosene fuel due to incorrect LR79 main engine data sheet entry. Satellite re-entered after one orbit. |
| 1976-02-19 22:32 | Delta 2914 | Delta 120 Thor 603 | CCAFS SLC-17B | Marisat-1 | Communication satellite | GTO | Success | |
| 1976-02-29 03:30 | N-I | N-2 (F) | Tanegashima SLC-N | UME | Ionospheric research satellite | MEO | Success | |
| 1976-03-26 22:42 | Delta 3914 | Delta 121 Thor 610 | CCAFS SLC-17A | Satcom-2 | Communication satellite | GTO | Success | |
| 1976-04-22 20:46 | Delta 2914 | Delta 122 Thor 608 | CCAFS SLC-17B | NATO 3A | Military communication satellite | GTO | Success | |
| 1976-05-04 08:00 | Delta 2913 | Delta 123 Thor 609 | VAFB SLC-2W | LAGEOS-1 | Geodesic research satellite | MEO | Success | |
| 1976-06-10 00:09 | Delta 2914 | Delta 124 Thor 601 | CCAFS SLC-17A | Marisat-2 | Communication satellite | GTO | Success | |
| 1976-07-08 23:31 | Delta 2914 | Delta 125 Thor 611 | CCAFS SLC-17A | Palapa-A1 | Communication satellite | GTO | Success | |
| 1976-07-29 17:07 | Delta 2310 | Delta 126 Thor 605 | VAFB SLC-2W | NOAA-5 | Weather satellite | LEO / SSO | Success | |
| 1976-09-11 08:00 | Thor DSV-2U | Thor 172 | VAFB SLC-10W | DMSP-5D-F1 | Military weather satellite | LEO / SSO | Success | |
| 1976-10-14 22:44 | Delta 2914 | Delta 127 Thor 614 | CCAFS SLC-17A | Marisat-3 | Communication satellite | GTO | Success | |

## 1977

There were 12 Thor missiles launched in 1977. 10 of the 12 launches were successful, giving an 83.3% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1977-01-28 00:49 | Delta 2914 | Delta 128 Thor 613 | CCAFS SLC-17A | NATO 3B | Military communication satellite | GTO | Success | |
| 1977-02-23 08:50 | N-I | N-3 (F) | Tanegashima SLC-N | KIKU-2 | Experimental communication satellite | GTO | Success | |
| 1977-03-10 23:16 | Delta 2914 | Delta 129 Thor 612 | CCAFS SLC-17A | Palapa-A2 | Communication satellite | GTO | Success | |
| 1977-04-20 10:15 | Delta 2914 | Delta 130 Thor 617 | CCAFS SLC-17B | ESA-GEOS-1 | Magnetosphere research satellite | planned: GTO | Partial failure | Premature separation of second and third stages led to failure of Stage 3 spin up. |
| 1977-06-05 02:59 | Thor DSV-2U | Thor 183 | VAFB SLC-10W | DMSP-5D-F2 | Military weather satellite | LEO / SSO | Success | |
| 1977-06-16 10:51 | Delta 2914 | Delta 131 Thor 616 | CCAFS SLC-17B | GOES-B (GOES-2) | Weather satellite | GTO | Success | |
| 1977-07-14 14:56 | Delta 2914 | Delta 132 Thor 618 | CCAFS SLC-17B | GMS-1 | Weather satellite | GTO | Success | |
| 1977-08-25 23:50 | Delta 2313 | Delta 133 Thor 615 | CCAFS SLC-17B | Sirio-1 | Experimental communication satellite | GTO | Success | |
| 1977-09-13 23:21 | Delta 3914 | Delta 134 Thor 619 | CCAFS SLC-17A | OTS-1 | Experimental communication satellite | planned: GTO | Failure | Launch vehicle exploded at T+52 seconds due to a rupture of the SRM #1 casing. |
| 1977-10-22 13:53 | Delta 2914 | Delta 135 Thor 623 | CCAFS SLC-17B | ISEE-1 (Explorer 56) / ISEE-2 | Magnetospheric research satellites | HEO | Success | Joint NASA/ESA Launch |
| 1977-11-23 01:35 | Delta 2914 | Delta 136 Thor 620 | CCAFS SLC-17A | Meteosat-1 | Weather satellite | GTO | Success | |
| 1977-12-15 00:47 | Delta 2914 | Delta 137 Thor 624 | CCAFS SLC-17B | CS-1 | Experimental communication satellite | GTO | Success | |

## 1978

There were 12 Thor missiles launched in 1978. All 12 launches were successful.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1978-01-26 17:36 | Delta 2914 | Delta 138 Thor 613 | CCAFS SLC-17A | International Ultraviolet Explorer (Explorer 57) | Astronomical observatory satellite | HEO | Success | Satellite operational until 1996. |
| 1978-02-15 04:00 | N-I | N-4 (F) | Tanegashima SLC-N | UME-2 | Ionospheric research satellite | MEO | Success | |
| 1978-03-05 17:54 | Delta 2910 | Delta 139 Thor 621 | VAFB SLC-2W | Landsat 3 | Earth Resource Technology Satellite | 917 km LEO, near polar, Sun synchronous. | Success | Satellite decommissioned on March 21, 1983. |
| 7 April 1978 22:01 | Delta 2914 | Delta 140 Thor 626 | CCAFS, SLC-17B | BSE-1 | Direct-broadcast satellite | GTO | Success | First of Japanese BSE series, also known as "Yuri 1". |
| 1978-05-01 03:05 | Thor DSV-2U | Thor 143 | VAFB SLC-10W | DMSP-5D-F3 | Military weather satellite | LEO / SSO | Success | |
| 1978-05-11 22:59 | Delta 3914 | Delta 141 Thor 627 | CCAFS SLC-17A | OTS-2 | Experimental communication satellite | GTO | Success | |
| 1978-06-16 10:49 | Delta 2914 | Delta 142 Thor 625 | CCAFS SLC-17B | GOES-C (GOES-3) | Weather satellite | GTO | Success | |
| 1978-07-14 10:43 | Delta 2914 | Delta 143 Thor 631 | CCAFS SLC-17A | ESA-GEOS-2 | Magnetosphere research satellite | GTO | Success | |
| 1978-08-12 15:12 | Delta 2914 | Delta 144 Thor 633 | CCAFS SLC-17B | ISEE-3 (ICE, Explorer 59) | Magnetospheric research satellite | HEO to Sun-Earth L1 halo orbit Eventually shifted to heliocentric | Success | First satellite to use Lagrangian point and halo orbit Later re-classified as the International Cometary Explorer. Satellite still operational as of 2014. |
| 1978-10-24 08:14 | Delta 2910 | Delta 145 Thor 630 | VAFB SLC-2W | Nimbus 7 / CAMEO | Weather Satellite / Ionosphere research | LEO / SSO | Success | |
| 1978-11-19 00:46 | Delta 2914 | Delta 146 Thor 634 | CCAFS SLC-17B | NATO 3C | Military communication satellite | GTO | Success | |
| 1978-12-16 00:21 | Delta 3914 | Delta 147 Thor 632 | CCAFS SLC-17A | Anik-B1 | Communication Satellite | GTO | Success | |

## 1979

There were 5 Thor missiles launched in 1979. 4 of the 5 launches were successful, giving an 80% success rate.
| Date/Time (UTC) | Rocket | S/N | Launch Site | Payload | Function | Orbit | Outcome | Remarks |
| 1979-01-30 21:42 | Delta 2914 | Delta 148 Thor 629 | CCAFS SLC-17B | SCATHA (P78-2) | Military technological research satellite | HEO | Success | |
| 1979-02-06 08:46 | N-I | N-5 (F) | Tanegashima SLC-N | Ayame | Experimental communication satellite | planned: GTO | Failure | Recontact between satellite and upper stage. |
| 1979-06-06 18:22 | Thor DSV-2U | Thor 264 | VAFB SLC-10W | DMSP-5D-F4 | Military weather satellite | LEO / SSO | Success | |
| 1979-08-10 00:20 | Delta 2914 | Delta 149 Thor 638 | CCAFS SLC-17A | Westar-3 | Communication Satellite | GTO | Success | |
| 1979-12-07 01:35 | Delta 3914 | Delta 150 Thor 622 | CCAFS SLC-17A | Satcom-3 | Communication satellite | GTO | Success | |