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List of Thor and Delta launches (1970–1979)

{{Short description|none}}

{{Use American English|date=January 2021}}

{{use dmy dates|date=January 2021}}

{{main|List of Thor and Delta launches}}

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.

{{Thor and Delta launches}}

Launch statistics

{{columns-start}}

{{column}}

= Rocket configurations =

{{ #invoke:Chart | bar chart

| float = center

| width = 420

| height = 320

| stack = 1

| group 1 = 7:6:2:0:0:2:1:1:1:1

| group 2 = 3:0:0:0:0:0:0:0:0:0

| group 3 = 2:3:2:1:2:1:1:0:0:0

| group 4 = 0:1:0:0:0:0:0:0:0:0

| group 5 = 0:0:1:0:0:0:0:0:0:0

| group 6 = 5:2:0:0:0:0:0:0:0:0

| group 7 = 2:2:1:0:0:0:0:0:0:0

| group 8 = 0:0:3:2:0:0:0:0:0:0

| group 9 = 0:0:2:4:0:2:0:0:0:0

| group 10 = 0:0:0:0:7:9:8:9:8:2

| group 11 = 0:0:0:0:0:1:1:1:2:1

| group 12 = 0:0:0:0:0:1:1:1:1:1

| colors = Gold: Goldenrod: DarkGoldenrod: LightBlue: SkyBlue: DeepSkyBlue: DodgerBlue: PaleTurquoise: Aquamarine: MediumAquamarine: MediumSeaGreen: LightCoral

| group names = 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

| x legends = 1970 : '71 : '72 : '73 : '74 : '75 : '76 : '77 : '78 : '79

}}

{{column}}

= Launch sites =

{{ #invoke:Chart | bar chart

| float = center

| width = 420

| height = 320

| stack = 1

| group 1 = 5:3:0:0:0:2:4:4:4:2

| group 2 = 0:0:2:3:6:5:3:6:4:1

| group 3 = 1:3:0:0:0:0:0:0:0:0

| group 4 = 2:0:3:1:1:5:2:0:2:0

| group 5 = 2:2:2:0:0:0:0:0:0:0

| group 6 = 4:3:2:0:0:0:0:0:0:0

| group 7 = 2:3:2:3:2:1:2:1:1:1

| group 8 = 0:0:0:0:0:1:1:1:1:1

| group 9 = 2:0:0:0:0:0:0:0:0:0

| group 10 = 1:0:0:0:0:2:0:0:0:0

| colors = Goldenrod: DarkGoldenrod: MediumSlateBlue: SlateBlue: MediumPurple: Purple: Indigo: Coral: Olive: DarkOliveGreen

| group names = 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

| x legends = 1970:'71:'72:'73:'74:'75:'76:'77:'78:'79

}}

{{columns-end}}

{{columns-start}}

{{column}}

= Launch outcomes =

{{ #invoke:Chart | bar chart

| float = center

| width = 420

| height = 320

| stack = 1

| group 1 = 18:12:11:6:8:16:11:10:12:4

| group 2 = 0:0:0:0:0:0:0:1:0:0

| group 3 = 1:2:0:1:1:0:1:1:0:1

| colors = ForestGreen: Orange: FireBrick

| group names = Success: Partial Failure: Failure

| x legends = 1970:'71:'72:'73:'74:'75:'76:'77:'78:'79

}}

{{column}}

{{columns-end}}

1970

There were 19 Thor missiles launched in 1970. 18 of the 19 launches were successful, giving a 94.7% success rate.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.{{cite web|url=https://history.nasa.gov/SP-4012/vol3/table1.32.htm|title=Table1.32|access-date=2007-03-12|url-status=dead|archiveurl=https://web.archive.org/web/20041118074655/https://history.nasa.gov/SP-4012/vol3/table1.32.htm|publisher=NASA|archive-date=2004-11-18}} {{PD-notice}}

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.

class="wikitable" style="margin: 1em 1em 1em 0";
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[https://history.nasa.gov/SP-4012/vol3/table1.33.htm Chronology of Thor-Delta Development and Operations] {{webarchive |url=https://web.archive.org/web/20041118074722/https://history.nasa.gov/SP-4012/vol3/table1.33.htm|publisher=NASA|date=2004-11-18}}] {{PD-notice}}

| 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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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.

class="wikitable" style="margin: 1em 1em 1em 0";
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{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1978-039A|title=Display: Yuri 1 1978-039A|publisher=NASA|date=14 May 2020|access-date=7 January 2021}} {{PD-notice}}

| 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.{{cite web|first=Monte |last=Morin|url=http://www.latimes.com/science/sciencenow/la-sci-sn-isee3-flyby-20140808-story.html |work=The Los Angeles Times |title=Vintage ISEE-3 satellite makes long-awaited flyby on Sunday|date=August 9, 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.

class="wikitable" style="margin: 1em 1em 1em 0";
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}}

|

References

{{Portal|Spaceflight}}

{{Reflist|2}}

{{Thor and Delta rockets}}

{{Spaceflight lists and timelines}}

{{DEFAULTSORT:List of Thor and Delta launches (1970-1979)}}

Category:Lists of Thor and Delta launches

Category:Lists of Thor launches

Category:Lists of Delta launches