List of Thor and Delta launches (1957–1959)

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Main page: Engineering:List of Thor and Delta launches
List of Thor and Delta launches

1957–1959 * 1960–1969 * 1970–1979 * 1980–1989 * 1990–1999 * 2000–2009 * 2010–2019 * 2020–2029

Between 1957 and 1959, there were 79 Thor missiles launched, of which 51 were successful, giving a 64.5% success rate.

## Contents

* 1 Launch statistics
* 1.1 Rocket configurations
* 1.2 Launch sites
* 1.3 Launch outcomes
* 2 1957
* 3 1958
* 4 1959
* 5 Images
* 6 See also

## Launch statistics

### Rocket configurations

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### Launch sites

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### Launch outcomes

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## 1957

There were 9 Thor missiles launched in 1957. 4 of the 9 launches were successful, giving a 44.4% success rate.

Date/Time
(UTC)  | Rocket  | S/N  | Launch Site  | Payload  | Function  | Orbit  | Outcome  | Remarks

|
|
|
|
|
|
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|

1957-01-26  | Thor DM-18 | Thor 101  | Cape Canaveral Air Force Station LC-17B  |  | Missile test  | Suborbital  | Failure  | Maiden flight of Thor, first launch from LC-17. Contaminated LOX caused loss of thrust at liftoff. Vehicle fell back onto the pad and exploded.
1957-04-20
04:33  | Thor DM-18  | Thor 102  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | RSO sent a mistaken destruct command at T+35 seconds due to an incorrect console readout.
1957-08-30  | Thor DM-18  | Thor 104  | CCAFS LC-17A  |  | Missile test  | Suborbital  | Failure  | First launch from LC-17A. Control malfunction led to missile breakup at T+92 seconds.
1957-09-20  | Thor DM-18  | Thor 105  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1957-10-03
17:14  | Thor DM-18  | Thor 107  | CCAFS LC-17A  |  | Missile test  | Suborbital  | Failure  | Stuck valve prevented the gas generator from starting. Missile fell back onto the pad and exploded.
1957-10-11
16:33  | Thor DM-18  | Thor 108  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | Turbopump failure at T+152 seconds. Flight considered a "partial success".
1957-10-24
16:32  | Thor DM-18  | Thor 109  | CCAFS LC-17A  |  | Missile test  | Suborbital  | Success  |
1957-12-07
22:11  | Thor DM-18  | Thor 112  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1957-12-19
20:12  | Thor DM-18  | Thor 113  | CCAFS LC-17A  |  | Missile test  | Suborbital  | Success  |

## 1958

There were 20 Thor missiles launched in 1958. 8 of the 20 launches were successful, giving a 40% success rate.

Date/Time
(GMT)  | Rocket  | S/N  | Launch Site  | Payload  | Function  | Orbit  | Outcome  | Remarks

|
|
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|
|
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1958-01-28
20:16  | Thor DM-18  | Thor 114  | CCAFS LC-17A  |  | Missile test  | Suborbital  | Failure  | Electrical malfunction led to control failure. RSO T+152 seconds.
1958-02-28
13:08  | Thor DM-18  | Thor 120  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | Premature engine shutdown at T+109 seconds.
1958-04-19
13:30  | Thor DM-18  | Thor 121  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | Missile lost thrust and fell back onto the pad, exploding. Suspected fuel line obstruction.
1958-04-24
00:10  | Thor DM-18 Able | Thor 116  | CCAFS LC-17A  |  | RTV test  | Suborbital  | Failure  | Maiden flight of Thor-Able. Turbopump failure T+146 seconds.
1958-06-04
21:17  | Thor DM-18  | Thor 115  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  | First launch from LC-18B
1958-06-13
15:06  | Thor DM-18  | Thor 122  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1958-07-10
15:06  | Thor DM-18 Able  | Thor 118  | CCAFS LC-17A  |  | RTV test  | Suborbital  | Success  |
1958-07-13
06:36  | Thor DM-18  | Thor 123  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  | Performance was normal through the boost phase, but the BECO and warhead separation signals were never received.
1958-07-23
22:13  | Thor DM-18 Able  | Thor 119  | CCAFS LC-17A  |  | RTV test  | Suborbital  | Success  | Biological nose cone containing a mouse. The nose cone sank into the ocean and was not recovered.
1958-07-26
06:40  | Thor DM-18  | Thor 126  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | LOX valve malfunction led to loss of thrust and vehicle breakup at T+55 seconds
1958-08-06  | Thor DM-18  | Thor 117  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  | Final flight of Thor DM-18 missile
1958-08-17
12:18  | Thor DM-18 Able-I | Thor 127  | CCAFS LC-17A  | Pioneer 0 | Lunar orbiter  | High Altitude | Failure  | Maiden flight of Thor-Able I. First use of a Thor-based vehicle for an orbital launch. Turbopump failure, T+73,6 seconds.
1958-10-11
08:42:13  | Thor DM-18 Able-I  | Thor 130  | CCAFS LC-17A  | Pioneer 1 | Lunar orbiter  | High Altitude | Failure  | Third stage underperformed
1958-11-05
08:53  | Thor DM-18A | Thor 138  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | Maiden flight of Thor DM-18A. Flight control failure. RSO T+45 seconds.
1958-11-08
08:42:13  | Thor DM-18 Able-I  | Thor 129  | CCAFS LC-17A  | Pioneer 2 | Lunar orbiter  | High Altitude | Failure  | Third stage failed to ignite
1958-11-26
09:09  | Thor DM-18A  | Thor 140  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Partial failure  | Loss of guidance system power caused the missile to overshoot its target point by 22 miles.
1958-12-06
00:41  | Thor DM-18A  | Thor 145  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Partial failure  | LOX tank pressurization failure led to loss of thrust. Missile impacted 20 miles short of the target point.
1958-12-16
23:44:45  | Thor DM-18A  | Thor 151  | Vandenberg Air Force Base LC-75-1-1  |  | Missile test  | Suborbital  | Success  | First Thor launch from Vandenberg AFB
1958-12-17
04:00  | Thor DM-18A  | Thor 146  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1958-12-31
02:00  | Thor DM-18A  | Thor 138  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Failure  | Flight control failure. RSO T+40 seconds.

## 1959

There were 50 Thor missiles launched in 1959. 39 of the 50 launches were successful, giving a 78% success rate.

Date/Time
(UTC)  | Rocket  | S/N  | Launch Site  | Payload  | Function  | Orbit  | Outcome  | Remarks

|
|
|
|
|
|
|
|

1959-01-23  | Thor DM-18 Able-II  | Thor 128  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Failure  | Thor portion of flight successful. Staging failed due to an electrical malfunction. Vehicle fell into the Atlantic Ocean.
1959-01-30
23:53  | Thor DM-18A  | Thor 154  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-02-28
07:58  | Thor DM-18 Able-II  | Thor 131  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Success  |
1959-02-28
21:49:16  | Thor DM-18 Agena-A | Thor 163
Agena 1022  | VAFB LC-75-3-4  | Discoverer 1  | Reconnaissance  | LEO  | Failure  | Maiden flight of Thor-Agena. Agena telemetry lost T+730 seconds. Fate of the payload unknown, but generally presumed to have impacted somewhere in Antarctica.
1959-03-21
06:19  | Thor DM-18 Able-II  | Thor 132  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Success  |
1959-03-22
00:58  | Thor DM-18A  | Thor 158  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-03-27
04:02  | Thor DM-18A  | Thor 162  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-04-08
06:35  | Thor DM-18 Able-II  | Thor 133  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Success  |
1959-04-13
21:18:39  | Thor DM-18 Agena-A  | Thor 170
Agena 1018  | VAFB LC-75-3-4  | Discoverer 2  | Reconnaissance  | LEO  | Success  |
1959-04-16
20:46  | Thor DM-18A  | Thor 161  | VAFB LC-75-2-8  |  | Missile test  | Suborbital  | Success  |
1959-04-23
05:30  | Thor DM-18A  | Thor 176  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-04-25
05:00  | Thor DM-18A  | Thor 164  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-05-12
17:35  | Thor DM-18A  | Thor 187  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-05-21
06:40  | Thor DM-18 Able-II  | Thor 135  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Success  |
1959-05-23
02:42  | Thor DM-18A  | Thor 184  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-06-03
20:09:20  | Thor DM-18 Agena-A  | Thor 174
Agena 1020  | VAFB LC-75-3-4  | Discoverer 3  | Reconnaissance  | LEO | Failure  | Agena attitude control malfunction pointed the stage in the wrong direction, sending it into the Pacific Ocean rather than orbit.
1959-06-11
06:44  | Thor DM-18 Able-II  | Thor 137  | CCAFS LC-17A  |  | RVX test  | Suborbital  | Success  |
1959-06-16
21:45  | Thor DM-18A  | Thor 191  | VAFB LC-75-2-7  |  | Missile test  | Suborbital  | Failure  | Pitch and roll program failed to initiate. RSO T+50 seconds.
1959-06-25
22:47:45  | Thor DM-18 Agena-A  | Thor 179
Agena 1023  | VAFB LC-75-3-5  | Discoverer 4  | Reconnaissance  | LEO | Failure  | Agena developed insufficient thrust to attain orbital velocity.
1959-06-26  | Thor DM-18A  | Thor 198  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-06-30
02:37  | Thor DM-18A  | Thor 194  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-07-21
07:33  | Thor DM-18A  | Thor 203  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Failure  | Pitch and roll program failed to initiate. RSO T+40 seconds.
1959-07-24
12:47  | Thor DM-18A  | Thor 202  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-08-03
21:41  | Thor DM-18A  | Thor 175  | VAFB LC-75-1-1  |  | Missile test  | Suborbital  | Success  |
1959-08-06
02:48  | Thor DM-18A  | Thor 208  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-08-07
14:24:20  | Thor DM-18 Able-III  | Thor 134  | CCAFS LC-17A  | Explorer 6 | Radiation  | HEO  | Success  |
1959-08-13
19:00:08  | Thor DM-18 Agena-A  | Thor 192
Agena 1029  | VAFB LC-75-3-4  | Discoverer 5  | Reconnaissance  | LEO  | Success  |
1959-08-14
09:00  | Thor DM-18A  | Thor 204  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-08-14
19:36:04  | Thor DM-18A  | Thor 190  | VAFB LC-75-2-6  |  | Missile test  | Suborbital  | Partial failure  | Premature propellant depletion. Planned range not achieved.
1959-08-19
19:24:44  | Thor DM-18 Agena-A  | Thor 200
Agena 1028  | VAFB LC-75-3-5  | Discoverer 6  | Reconnaissance  | LEO  | Success  |
1959-08-27
12:30  | Thor DM-18A  | Thor 216  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-09-12  | Thor DM-18A  | Thor 217  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-09-17
14:34  | Thor DM-18 Able-II  | Thor 136  | CCAFS LC-17A  | Transit 1A  | Navigation  | LEO | Failure  | Third stage malfunctioned
1959-09-17
21:09  | Thor DM-18A  | Thor 228  | VAFB LC-75-1-2  |  | Missile test  | Suborbital  | Success  |
1959-09-22
18:00  | Thor DM-18A  | Thor 222  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-10-06
16:41  | Thor DM-18A  | Thor 235  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-10-06
18:26  | Thor DM-18A  | Thor 239  | VAFB LC-75-2-8  |  | Missile test  | Suborbital  | Success  |
1959-10-14
04:15  | Thor DM-18A  | Thor 221  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-10-21
22:57  | Thor DM-18A  | Thor 220  | VAFB LC-75-1-1  |  | Missile test  | Suborbital  | Success  |
1959-10-29
02:12  | Thor DM-18A  | Thor 230  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-11-03  | Thor DM-18A  | Thor 238  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-11-07
20:28:41  | Thor DM-18 Agena-A  | Thor 206
Agena 1051  | VAFB LC-75-3-4  | Discoverer 7  | Reconnaissance  | LEO  | Success  |
1959-11-12
19:24  | Thor DM-18A  | Thor 181  | VAFB LC-75-1-2  |  | Missile test  | Suborbital  | Success  |
1959-11-19  | Thor DM-18A  | Thor 244  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |
1959-11-20
19:25:24  | Thor DM-18 Agena-A  | Thor 212
Agena 1050  | VAFB LC-75-3-5  | Discoverer 8  | Reconnaissance  | LEO  | Failure  | Orbit too eccentric for use of return capsule
1959-12-01
17:00  | Thor DM-18A  | Thor 254  | CCAFS LC-18B  |  | Missile test  | Suborbital  | Success  |
1959-12-02
05:29  | Thor DM-18A  | Thor 265  | VAFB LC-75-1-1  |  | Missile test  | Suborbital  | Failure  |
1959-12-15
02:14  | Thor DM-18A  | Thor 185  | VAFB LC-75-1-2  |  | Missile test  | Suborbital  | Failure  | Flight control failure. Missile broke up T+60 seconds.
1959-12-17  | Thor DM-18A  | Thor 255  | CCAFS LC-17B  |  | Missile test  | Suborbital  | Success  |

## Images

* Thor 127

* Thor 130

* Thor 129

* Thor 134

* Thor 136

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