Titan (rocket family)

Short description: Family of launch vehicles used in U.S. Air Force and space programs (1959–2005)

Titan family

The Titan rocket family.
Role  | Expendable launch system with various applications
Manufacturer  | Glenn L. Martin Company
First flight  | 1958-12-20[1]
Introduction  | 1959
Retired  | 2005
Primary users  | United States Air Force
National Aeronautics and Space Administration
Produced  | 1957–2000s (decade)
Number built | 368
Variants  | Titan I
Titan II
Titan IIIA
Titan IIIB
Titan IIIC
Titan IIID
Titan IIIE
Titan IIIM
Titan 34D
Titan IV

Titan was a family of United States expendable rockets used between 1959 and 2005. The Titan I and Titan II were part of the United States Air Force 's intercontinental ballistic missile (ICBM) fleet until 1987. The space launch vehicle versions contributed the majority of the 368 Titan launches, including all the Project Gemini crewed flights of the mid-1960s. Titan vehicles were also used to lift US military payloads as well as civilian agency reconnaissance satellites and to send interplanetary scientific probes throughout the Solar System.

## Contents

* 1 Titan I missile
* 2 Titan II
* 2.1 Titan II missile
* 2.1.1 Hypergolic propellants
* 2.1.2 Accidents at silos
* 2.1.3 Missile retirement
* 2.2 Titan II launch vehicle
* 2.3 Titan 23G
* 2.4 Gallery
* 3 Titan III
* 3.1 Avionics
* 3.2 Titan IIIA
* 3.3 Titan IIIB
* 3.4 Titan IIIC
* 3.5 Titan IIID
* 3.6 Titan IIIE
* 3.7 Titan 34D
* 3.8 Commercial Titan III
* 3.9 Titan IIIM
* 3.10 Gallery
* 4 Titan IV
* 5 Titan V concept
* 6 Launch vehicle retirement
* 7 See also
* 8 Notes
* 9 References
* 10 External links

## Titan I missile

Titan I ICBM

The HGM-25A Titan I, built by the Martin Company, was the first version of the Titan family of rockets. It began as a backup ICBM project in case the SM-65 Atlas was delayed. It was a two-stage rocket operational from early 1962 to mid-1965 whose LR-87 booster engine was powered by RP-1 (kerosene) and liquid oxygen (LOX). The ground guidance for the Titan was the UNIVAC ATHENA computer, designed by Seymour Cray, based in a hardened underground bunker.[2] Using radar data, it made course corrections during the burn phase.

Unlike decommissioned Thor, Atlas, and Titan II missiles, the Titan I inventory was scrapped and never reused for space launches or RV tests, as all support infrastructure for the missile had been converted to the Titan II/III family by 1965.[citation needed]

## Titan II

### Titan II missile

Most of the Titan rockets were the Titan II ICBM and their civilian derivatives for NASA. The Titan II used the LR-87-5 engine, a modified version of the LR-87, that used a hypergolic propellant combination of nitrogen tetroxide (NTO) for its oxidizer and Aerozine 50 (a 50/50 mix of hydrazine and unsymmetrical dimethylhydrazine (UDMH) instead of the liquid oxygen and RP-1 propellant of the Titan I.

The first Titan II guidance system was built by AC Spark Plug. It used an inertial measurement unit made by AC Spark Plug derived from original designs from the Charles Stark Draper Laboratory at MIT. The missile guidance computer (MGC) was the IBM ASC-15. When spares for this system became hard to obtain, it was replaced by a more modern guidance system, the Delco Electronics Universal Space Guidance System (USGS). The USGS used a Carousel IV IMU and a Magic 352 computer.[3] The USGS was already in use on the Titan III space launcher when work began in March 1978 to replace the Titan II guidance system. The main reason was to reduce the cost of maintenance by $72 million per year; the conversions were completed in 1981.[4]

#### Hypergolic propellants

Liquid oxygen is dangerous to use in an enclosed space, such as a missile silo, and cannot be stored for long periods in the booster oxidizer tank. Several Atlas and Titan I rockets exploded and destroyed their silos, although without loss of life.[citation needed] The Martin Company was able to improve the design with the Titan II. The RP-1/LOX combination was replaced by a room-temperature fuel whose oxidizer did not require cryogenic storage. The same first-stage rocket engine was used with some modifications. The diameter of the second stage was increased to match the first stage. The Titan II's hypergolic fuel and oxidizer ignited on contact, but they were highly toxic and corrosive liquids. The fuel was Aerozine 50, a 50/50 mix of hydrazine and UDMH, and the oxidizer was NTO.

#### Accidents at silos

There were several accidents in Titan II silos resulting in loss of life and/or serious injuries.

In August 1965, 53 construction workers were killed in fire in a missile silo northwest of Searcy, Arkansas. The fire started when hydraulic fluid used in the Titan II was ignited by a welding torch.[5][6]

The liquid fuel missiles were prone to developing leaks of their toxic propellants. At a silo outside Rock, Kansas, an oxidizer transfer line carrying NTO ruptured on August 24, 1978.[7] An ensuing orange vapor cloud forced 200 rural residents to evacuate the area.[8] A staff sergeant of the maintenance crew was killed while attempting a rescue and a total of twenty were hospitalized.[9]

Another site at Potwin, Kansas leaked NTO oxidizer in April 1980 with no fatalities,[10] and was later closed.

In September 1980, at Titan II silo 374-7 near Damascus, Arkansas, a technician dropped an 8 lb (3.6 kg) socket that fell 70 ft (21 m), bounced off a thrust mount, and broke the skin of the missile's first stage,[11] over eight hours prior to an eventual explosion.[12] The puncture occurred about 6:30 p.m.[13] and when a leak was detected shortly after, the silo was flooded with water and civilian authorities were advised to evacuate the area.[14] As the problem was being attended to at around 3 a.m.,[13] leaking rocket fuel ignited and blew the 8,000 lb (3,630 kg) nuclear warhead out of the silo. It landed harmlessly several hundred feet away.[15][16][17] There was one fatality and 21 were injured,[18] all from the emergency response team from Little Rock Air Force Base .[13][19] The explosion blew the 740-ton launch tube cover 200 ft (60 m) into the air and left a crater 250 feet (76 m) in diameter.[20]

#### Missile retirement

The 54 Titan IIs[21] in Arizona, Arkansas, and Kansas[18] were replaced by 50 MX "Peacekeeper" solid-fuel rocket missiles in the mid-1980s; the last Titan II silo was deactivated in May 1987.[22] The 54 Titan IIs had been fielded along with a thousand Minuteman missiles from the mid-1960s through the mid-1980s.

A number of Titan I and Titan II missiles have been distributed as museum displays across the United States.

### Titan II launch vehicle

The most famous use of the civilian Titan II was in the NASA Gemini program of crewed space capsules in the mid-1960s. Twelve Titan II GLVs were used to launch two U.S. uncrewed Gemini test launches and ten crewed capsules with two-person crews. All of the launches were successful.

### Titan 23G

Starting in the late 1980s, some of the deactivated Titan IIs were converted into space launch vehicles to be used for launching U.S. Government payloads. Titan 23G rockets consisted of two stages burning liquid propellant. The first stage was powered by one Aerojet LR87 engine with two combustion chambers and nozzles, and the second stage was propelled by an LR91. On some flights, the spacecraft included a kick motor, usually the Star-37XFP-ISS; however, the Star-37S was also used.[23]

Thirteen were launched from Space Launch Complex 4W (SLC-4W) at Vandenberg Air Force Base starting in 1988.[23] The final such vehicle launched a Defense Meteorological Satellite Program (DMSP) weather satellite on 18 October 2003.[24]

### Gallery

* Titan II ICBM

* Titan II GLV

* Titan 23G

## Titan III

The Titan III was a modified Titan II with optional solid rocket boosters. It was developed on behalf of the United States Air Force (USAF) as a heavy-lift satellite launcher to be used mainly to launch American military payloads and civilian intelligence agency satellites such as the Vela Hotel nuclear-test-ban monitoring satellites, observation and reconnaissance satellites (for intelligence-gathering), and various series of defense communications satellites.[citation needed] As USAF project, Titan III was more formally known as Program 624A (SSLS), Standard Space Launch System, Standardized Space Launch System, Standardized Space Launching System or Standard Space Launching System (all abbreviated SSLS).[25][26][27]

The Titan III core was similar to the Titan II, but had a few differences. These included:[citation needed]

* Thicker tank walls and ablative skirts to support the added weight of upper stages
* Radio ground guidance in place of the inertial guidance on ICBM Titan IIs
* Guidance package placed on the upper stages (if present)
* Removal of retrorockets and other unnecessary ICBM hardware
* Slightly larger propellant tanks in the second stage for longer burn time; since they expanded into some unused space in the avionics truss, the actual length of the stage remained unchanged.

The Titan III family used the same basic LR-87 engines as Titan II (with performance enhancements over the years), however SRB-equipped variants had a heat shield over them as protection from the SRB exhaust and the engines were modified for air-starting.[citation needed]

### Avionics

The first guidance system for the Titan III used the AC Spark Plug company IMU (inertial measurement unit) and an IBM ASC-15 guidance computer from the Titan II. For the Titan III, the ASC-15 drum memory of the computer was lengthened to add 20 more usable tracks, which increased its memory capacity by 35%.[28]

The more-advanced Titan IIIC used a Delco Carousel VB IMU and MAGIC 352 Missile Guidance Computer (MGC).[29][30]

### Titan IIIA

The Titan IIIA was a prototype rocket booster and consisted of a standard Titan II rocket with a Transtage upper stage.[citation needed]

### Titan IIIB

The Titan IIIB with its different versions (23B, 24B, 33B, and 34B) had the Titan III core booster with an Agena D upper stage. This combination was used to launch the KH-8 GAMBIT series of intelligence-gathering satellites. They were all launched from Vandenberg Air Force Base, due south over the Pacific into polar orbits. Their maximum payload mass was about 7,500 lb (3,000 kg).[31]

### Titan IIIC

The powerful Titan IIIC used a Titan III core rocket with two large strap-on solid-fuel boosters to increase its launch thrust and maximum payload mass. The solid-fuel boosters that were developed for the Titan IIIC represented a significant engineering advance over previous solid-fueled rockets, due to their large size and thrust, and their advanced thrust-vector control systems.[citation needed]

### Titan IIID

The Titan IIID was the Vandenberg Air Force Base version of the Titan IIIC, without a Transtage, that was used to place members of the Key Hole series of reconnaissance satellites into polar low Earth orbits.[citation needed]

### Titan IIIE

The Titan IIIE, with a high-specific-impulse Centaur upper stage, was used to launch several scientific spacecraft, including both of NASA's two Voyager space probes to Jupiter, Saturn and beyond, and both of the two Viking missions to place two orbiters around Mars and two instrumented landers on its surface.[32][33]

### Titan 34D

The Titan 34D featured Stage 1 and Stage 2 stretched with more powerful UA1206 solid motors. A variety of upper stages were available, including the Inertial Upper Stage, the Transfer Orbit Stage, and the Transtage.[34] The Titan 34D made its maiden flight in the year of 1982 on the 30th of October with two DSCS defense communications satellites for the United States Department of Defense (DOD).

### Commercial Titan III

Derived from the Titan 34D and originally proposed as a medium-lift expendable launch system for the US Air Force, who selected the Delta II instead. Development was continued as a commercial launch system, and the first rocket flew in 1990. The Commercial Titan III differed from the Titan 34D in that it had a stretched second stage, and a larger payload fairing to accommodate dual satellite payloads.

### Titan IIIM

The Titan IIIM was intended to launch the Manned Orbiting Laboratory and other payloads. Development was cancelled in 1969. The projected UA1207 solid booster rockets were eventually used on the Titan IV.[35][36]

### Gallery

* Titan IIIA

* Titan 23B

* Titan IIIC

* Titan IIID

* Titan IIIE

* Titan 34D

* Commercial Titan 3

## Titan IV

The Titan IV was an extended length Titan III with solid rocket boosters on its sides. The Titan IV could be launched with a Centaur upper stage, the USAF Inertial Upper Stage (IUS), or no upper stage at all. This rocket was used almost exclusively to launch US military or Central Intelligence Agency payloads. However, it was also used for a purely scientific purpose to launch the NASA–ESA Cassini / Huygens space probe to Saturn in 1997. The primary intelligence agency that needed the Titan IV's launch capabilities was the National Reconnaissance Office (NRO).[citation needed]

When it was being produced, the Titan IV was the most powerful uncrewed rocket available to the United States, with proportionally high manufacturing and operations expenses. By the time the Titan IV became operational, the requirements of the Department of Defense and the NRO for launching satellites had tapered off due to improvements in the longevity of reconnaissance satellites and the declining demand for reconnaissance that followed the internal disintegration of the Soviet Union. As a result of these events and improvements in technology, the unit cost of a Titan IV launch was very high. Additional expenses were generated by the ground operations and facilities for the Titan IV at Vandenberg Air Force Base for launching satellites into polar orbits. Titan IVs were also launched from the Cape Canaveral Air Force Station in Florida,[37] a location often used for launch into non-polar orbits.[38]

* Titan IV-A

* Titan IV-B

## Titan V concept

The Titan V was a proposed development of the Titan IV, that saw several designs being suggested. One Titan V proposal was for an enlarged Titan IV, capable of lifting up to 90,000 pounds (41,000 kg) of payload.[39] Another used a cryogenic first stage with LOX/LH2 propellants;[40] however the Atlas V EELV was selected for production instead.

## Launch vehicle retirement

Most of the decommissioned Titan II ICBMs were refurbished and used for Air Force space launch vehicles, with a perfect launch success record.[41]

For orbital launches, there were strong advantages to using higher-performance liquid hydrogen or RP-1 fueled vehicles with liquid oxygen; the high cost of using hydrazine and nitrogen tetroxide, along with the special care that was needed due to their toxicity, were a further consideration. Lockheed Martin decided to extend its Atlas family of rockets instead of its more expensive Titans, along with participating in joint-ventures to sell launches on the Russian Proton rocket and the new Boeing-built Delta IV class of medium and heavy-lift launch vehicles. The Titan IVB was the last Titan rocket to remain in service, making its penultimate launch from Cape Canaveral on 30 April 2005, followed by its final launch from Vandenberg Air Force Base on 19 October 2005, carrying the USA-186 optical imaging satellite for the National Reconnaissance Office.[citation needed]

## See also

* Titan Missile Museum
* List of Titan launches
* Comparison of orbital launchers families
* Comparison of orbital launch systems
* Titan site 374-7 explosion

## Notes

1. ↑ Barton, Rusty (2003-11-18). "Titan 1 Chronology". Titan 1 ICBM History Website. Geocities.com. http://www.geocities.com/titan_1_missile/chronology.htm.
2. ↑ Stakem, Patrick H. The History of Spacecraft Computers from the V-2 to the Space Station, 2010, PRB Publishing, ASIN B004L626U6[ISBN missing]
3. ↑ David K. Stumpf. Titan II: A History of a Cold War Missile Program. University of Arkansas Press, 2000. ISBN 1-55728-601-9. pp. 63–67.
4. ↑ Bonds, Ray Editor. The Modern US War Machine: An encyclopedia of American military equipment and strategy. Crown Publishers, New York City 1989. ISBN 0-517-68802-6. p. 233.
5. ↑ "Escape Route Blocked in Silo Disaster". Ellensburg Daily Record. Associated Press: p. 1. August 13, 1965. https://news.google.com/newspapers?id=hYIKAAAAIBAJ&sjid=h0sDAAAAIBAJ&pg=3877,1878649.
6. ↑ "Blast is second serious mishap in 17-year-old U.S. Titan fleet". Montreal Gazette: p. 2. September 20, 1980. https://news.google.com/newspapers?id=fZckAAAAIBAJ&sjid=raQFAAAAIBAJ&pg=3916,4715863.
7. ↑ "1 killed, 6 injured when fuel line breaks at Kansas Titan missile site". St. Petersburg Times. UPI: p. 4. August 25, 1978. https://news.google.com/newspapers?id=r-kLAAAAIBAJ&sjid=NloDAAAAIBAJ&pg=5707,1305223.
8. ↑ "Thunderhead Of Lethal Vapor Kills Airman At Missile Silo". The Ledger. Associated Press: p. 7. August 25, 1978. https://news.google.com/newspapers?id=lsUSAAAAIBAJ&sjid=CfsDAAAAIBAJ&pg=5959,7675769.
9. ↑ "Airman at Titan site died attempting rescue". Lawrence Journal-World. Associated Press: p. 2. August 26, 1978. https://news.google.com/newspapers?id=FIsyAAAAIBAJ&sjid=oeYFAAAAIBAJ&pg=6774,4610225.
10. ↑ "Air Force plugs leak in Kansas missile silo". Lawrence Journal-World. Associated Press: p. 16. April 23, 1980. https://news.google.com/newspapers?id=MqgyAAAAIBAJ&sjid=R-cFAAAAIBAJ&pg=6830,4734085.
11. ↑ Colby, Terri (September 19, 1980). "Explosion wrecks Titan missile silo". Free Lance-Star. Associated Press (Fredericksburg, VA): p. 1. https://news.google.com/newspapers?id=AeFLAAAAIBAJ&sjid=sosDAAAAIBAJ&pg=6041,2966399.
12. ↑ "Warhead apparently moved from Arkansas missile site". Lewiston (ME) Daily Sun. Associated Press: p. 10. September 23, 1980. https://news.google.com/newspapers?id=8gYgAAAAIBAJ&sjid=t2QFAAAAIBAJ&pg=4301,4439202.
13. ↑ 13.0 13.1 13.2 "Caution advice disregarded at Titan missile site?". Tuscaloosa News. Washington Post: p. 23. October 23, 1980. https://news.google.com/newspapers?id=KUcgAAAAIBAJ&sjid=354EAAAAIBAJ&pg=6731,5119654.
14. ↑ Colby, Terri (September 19, 1980). "Missile silo blast hurts 22 workers". Spokane Daily Chronicle. Associated Press: p. 1. https://news.google.com/newspapers?id=sUFYAAAAIBAJ&sjid=QvkDAAAAIBAJ&pg=6410,5386804.
15. ↑ "Light on the Road to Damascus" Time magazine, September 29, 1980. Retrieved 2006-09-12
16. ↑ "Titan warhead is reported lying in Arkansas woods". St. Petersburg Times. wire services: p. 1A. September 21, 1980. https://news.google.com/newspapers?id=a35QAAAAIBAJ&sjid=fVoDAAAAIBAJ&pg=6173,3636095.
17. ↑ "Did warhead leave its silo?". Eugene Register-Guard. wire services: p. 1A. September 21, 1980. https://news.google.com/newspapers?id=T_JVAAAAIBAJ&sjid=6eEDAAAAIBAJ&pg=5975,5570857.
18. ↑ 18.0 18.1 "The Titan controversy". Spokane Daily Chronicle. Associated Press: p. 2. September 20, 1980. https://news.google.com/newspapers?id=skFYAAAAIBAJ&sjid=QvkDAAAAIBAJ&pg=6890,5741844.
19. ↑ "Warhead blown off in Titan blast". Tuscaloosa News. Associated Press: p. 1A. 21 September 1980. https://news.google.com/newspapers?id=IIIfAAAAIBAJ&sjid=6p4EAAAAIBAJ&pg=5474,3917064.
20. ↑ "Arkansas recalls missile accident". Nashua (NH) Telegraph. Associated Press: p. 14. September 19, 1981. https://news.google.com/newspapers?id=aaArAAAAIBAJ&sjid=bvwFAAAAIBAJ&pg=6929,3795680.
21. ↑ Pincus, Walter (September 20, 1980). "Titan II: 54 accidents waiting to happen". Spokesman-REview. Washington Post: p. 5. https://news.google.com/newspapers?id=Y1VOAAAAIBAJ&sjid=zO4DAAAAIBAJ&pg=5298,1674649.
22. ↑ Charton, Scott (May 7, 1987). "America's last Titan 2 nuclear missile is deactivated". Times-News. Associated Press (Hendersonville, NC): p. 3. https://news.google.com/newspapers?id=coRPAAAAIBAJ&sjid=qiQEAAAAIBAJ&pg=6754,1474087.
23. ↑ 23.0 23.1 Krebs, Gunter. "Titan-2". Gunter's Space Page. http://space.skyrocket.de/doc_lau/titan-2.htm.
24. ↑ Ray, Justin (October 18, 2003). "U.S. weather satellite finally escapes grasp of hard luck". spaceflightnow.com. http://spaceflightnow.com/titan/g9/031018launch.html.
25. ↑ Bleymaier, Joseph (1963-12-11). "The Titan III Standardized Space Launch System" (in en-US). Heterogeneous Combustion Conference (Reston, Virginia: American Institute of Aeronautics and Astronautics). doi:10.2514/6.1963-1407. https://arc.aiaa.org/doi/abs/10.2514/6.1963-1407.
26. ↑ (in en) ﻿Program 624A. Program Documentation Requirements General Specification﻿ (Report). 1962-11-01. https://apps.dtic.mil/sti/citations/AD0431109.
27. ↑ (in en) New Scientist. Reed Business Information. 1962-09-06. https://books.google.com/books?id=HxU-9UeDCI0C&pg=PA496.
28. ↑ Paul O. Larson. "Titan III Inertial Guidance System," p.4.
29. ↑ Liang, A.C. (March 2022). "Dynamic Calibration for Delco's Carousel VB IMU". https://apps.dtic.mil/dtic/tr/fulltext/u2/a007056.pdf.
30. ↑ A.C. Liang and D.L. Kleinbub. "Navigation of the Titan IIIC space launch vehicle using the Carousel VB IMU." AIAA Guidance and Control Conference, Key Biscayne, FL, 20–22 August 1973. AIAA Paper No. 73-905.
31. ↑ Titan 3B Launched, Aviation Week & Space Technology, August 8, 1966, p. 29
32. ↑ Second Viking Launched Prior to Thunderstorm, Aviation Week & Space Technology, September 15, 1975, page 20
33. ↑ "Viking Mission to Mars". NASA=. http://nssdc.gsfc.nasa.gov/planetary/viking.html.
34. ↑ "Titan 34D". Encyclopedia Astronautica. http://www.astronautix.com/t/titan34d.html.
35. ↑ "Titan 3M". Astronautix.com. http://www.astronautix.com/t/titan3m.html.
36. ↑ Shayler, David J. (2002). "Military Gemini". Gemini: Steps to the Moon. Springer-Praxis. ISBN 1-85233-405-3. https://books.google.com/books?id=c8PpO58QwowC&pg=PA376.
37. ↑ "Titan 4B and Cape Canaveral". http://www.space.com/missionlaunches/launches/titan4_dsp_launch_010806.html.
38. ↑ Rowan, Karen (23 July 2010). "Why Are Rockets Launched from Florida?". https://www.space.com/8811-rockets-launched-florida.html.
39. ↑ Hujsak, Edward (1994). The Future of U.S. Rocketry. La Jolla, CA: Mina-Helwig Company. p. 44. ISBN 978-1-8861-3301-3.
40. ↑ "Titan 5". http://www.astronautix.com/t/titan5.html.
41. ↑ "Final Refurbished Titan II Missile Launches Defense Weather Bird". Space Daily. October 19, 2013. https://www.spacedaily.com/news/milspace-comms-03zj.html.

## References

* Bonds, Ray Editor. The Modern US War Machine: An encyclopedia of American military equipment and strategy. Crown Publishers, New York City 1989. ISBN 0-517-68802-6
* USAF Sheppard Technical Training Center. "Student Study Guide, Missile Launch/Missile Officer (LGM-25)." May 1967. pp. 61–65. Available at WikiMedia Commons: TitanII MGC.pdf
* Larson, Paul O. "Titan III Inertial Guidance System," in AIAA Second Annual Meeting, San Francisco, 26–29 July 1965, pp. 1–11.
* Liang, A.C. and Kleinbub, D.L. "Navigation of the Titan IIIC space launch vehicle using the Carousel VB IMU". AIAA Guidance and Control Conference, Key Biscayne, FL, 20–22 August 1973. AIAA Paper No. 73-905.
* Stumpf, David K. Titan II: A History of a Cold War Missile Program. The University of Arkansas Press, 2000. [ISBN missing]

## External links

| Wikimedia Commons has media related to Titan (rocket).

|

* Titan history at astronautix.com – includes chronology of launches and variants
* Footage of November 1963 launch of Titan II at archive.org (b/w; 0m59s; includes early use of 'rocket cam' technology)
* Titan III Research and Development – 1967 US Air Force Educational Documentary on YouTube (color; 13m33s)
* Titan I at fas.org (Federation of American Scientists)
* Titan II at fas.org
* Titan history at fas.org
* Explosion at 374-7 – Details of the September 1980 Arkansas silo explosion
* Photo of the last Titan launch, at the APOD archive

* v
* t
* e

1962–present United States Air Force space vehicle designations

SLV series|

* SLV-1
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SB series|

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Satellites|

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* 1 Not assigned
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Orbital launch systems

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Current|

* Angara
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In development|

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Retired|

* Antares 110/120/130/230
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* E
* G
* J
* L
* M
* N
* 0100
* 1000
* 2000
* 3000
* 4000
* 5000
* II
* III
* IV
* Diamant
* Dnepr
* Energia
* Europa
* Falcon 1
* Falcon 9
* v1.0
* v1.1
* v1.2 "Full Thrust"
* Feng Bao 1
* GSLV
* Mk I
* H-I
* H-II
* Juno I
* Juno II
* Kaituozhe-1
* Kosmos
* 1
* 2I
* 3
* 3M
* Lambda 4S
* Long March
* 1
* 1D†
* 2A
* 2E
* 3
* 3B
* 4A
* Mu
* 4S 3C 3H 3S 3SII
* V
* N1†
* N-I
* N-II
* Naro-1
* Paektusan
* Pilot†
* R-7
* Luna
* Molniya
* M
* L
* Polyot
* Soyuz
* original
* FG
* L
* M
* U
* U2
* Soyuz/Vostok
* Sputnik
* Voskhod
* Vostok
* L
* K
* 2
* 2M
* R-29
* Shtil'
* Volna
* Saturn
* I
* IB
* V
* Scout
* SLV
* Space Shuttle
* SPARK†
* Sparta
* SS-520
* Start-1
* Thor
* Able
* Ablestar
* Agena
* Burner
* Delta
* DSV-2U
* Thorad-Agena
* Titan
* II GLV
* IIIA
* IIIB
* IIIC
* IIID
* IIIE
* 34D
* 23G
* CT-3
* IV
* Tsyklon
* 2
* 3
* 4
* UR (Proton)
* UR-500 (Proton)
* Proton-K
* Rokot
* Strela
* Vanguard
* VLS-1†
* Zenit
* 2
* 2M

Classes|

* Sounding rocket
* Small-lift launch vehicle
* Medium-lift launch vehicle
* Heavy-lift launch vehicle
* Super heavy-lift launch vehicle

* Symbol † indicates projects terminated before a successful orbital launch

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Original source: https://en.wikipedia.org/wiki/Titan (rocket family). Read more

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