List of Thor DM-18A launches

The Thor DM-18A was an American suborbital launch vehicle. It flew 50 times. It had 6 failures, 3 partial failures, and 41 successes. It had a 82% launch reliability. Its first flight attempt was on 5 November 1958. Its first successful launch was on 16 December 1958. Its last launch was on 19 June 1962. The Thor DM-18A was evolved from the Thor DM-18, the first Thor rocket. Thor DM-18A was the first operational finless variant of the original missile. ^[1] ^[2]

Launch history

The data in this table comes from ^[3] ^[4]
Date/Time (UTC)	Rocket	S/N	Launch Site	Function	Orbit	Outcome	Remarks
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.
1958-11-26 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	VAFB 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.
1959-01-30 23:53	Thor DM-18A	Thor 154	CCAFS LC-17B	Missile 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
1959-04-16 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
1959-05-23 02:42	Thor DM-18A	Thor 184	CCAFS LC-18B	Missile 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.
1959-06-26	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
1959-08-14 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.
1959-08-27 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 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
1959-11-12 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
1959-12-01 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
1960-01-21 20:10	Thor DM-18A	Thor 215	VAFB LC-75-1-2	Missile test	Suborbital	Success
1960-03-02 20:06	Thor DM-18A	Thor 272	VAFB LC-75-2-8	Missile test	Suborbital	Success
1960-06-22 23:26	Thor DM-18A	Thor 233	VAFB LC-75-2-7	Missile test	Suborbital	Success
1960-10-11 21:53	Thor DM-18A	Thor 186	VAFB LC-75-2-8	Missile test	Suborbital	Success
1960-12-13 20:08	Thor DM-18A	Thor 267	VAFB LC-75-2-8	Missile test	Suborbital	Success
1961-03-30 05:13:43	Thor DM-18A	Thor 243	VAFB LC-75-2-7	Missile test	Suborbital	Success
1961-06-20 23:54	Thor DM-18A	Thor 276	VAFB LC-75-2-7	Missile test	Suborbital	Success
1961-09-06 22:30	Thor DM-18A	Thor 165	VAFB LE-7	Missile test	Suborbital	Success
1961-12-06 01:30	Thor DM-18A	Thor 214	VAFB LE-8	Missile test	Suborbital	Success
1962-03-19 23:28	Thor DM-18A	Thor 229	VAFB LE-7	Missile test	Suborbital	Success
1962-06-19 00:30	Thor DM-18A	Thor 269	VAFB LE-8	Missile test	Suborbital	Success

Launch statistics

Launch outcome

10

20

30

40

Success
Partial Failure
Failure

Launchpad

10

20

30

40

CCAFS
VAFB

References

^ "Thor DM-18A". astronautix.com. Archived from the original on December 27, 2016. Retrieved 2021-08-12.
^ "THOR: FLOWN VARIANTS". spacelaunchreport.com. Archived from the original on July 17, 2017. Retrieved 20 April 2022.{{cite web}}: CS1 maint: unfit URL (link)
^ "Thor-DM18A (SM-75 / PGM-17A) IRBM". Gunter's Space Page. Retrieved 2021-08-11.
^ "List of Rocket Launches by Family: Thor". planet4589. Retrieved 20 April 2022.

[1] "Thor DM-18A". astronautix.com. Archived from the original on December 27, 2016. Retrieved 2021-08-12.

[2] "THOR: FLOWN VARIANTS". spacelaunchreport.com. Archived from the original on July 17, 2017. Retrieved 20 April 2022.{{cite web}}: CS1 maint: unfit URL (link)

[3] "Thor-DM18A (SM-75 / PGM-17A) IRBM". Gunter's Space Page. Retrieved 2021-08-11.

[4] "List of Rocket Launches by Family: Thor". planet4589. Retrieved 20 April 2022.

[1]

[2]

[3]

[4]