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Lockheed Martin X-33

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494: 486: 649: 437: 541: 142: 38: 891: 510: 502: 533:. Doing away with the need for "staging" with launch vehicles, such as with the Shuttle and the Apollo rockets, would lead to an inherently more reliable and safer space launch vehicle. While the X-33 would not approach airplane-like safety, the X-33 would attempt to demonstrate 0.997 reliability, or 3 mishaps out of 1,000 launches, which would be an order of magnitude more reliable than the 433:
that the technology of the time was simply not advanced enough for such a design. While the composite tank walls themselves were lighter, the hydrogen tank shape necessary to fit inside the aerodynamic mouldline resulted in complex joints increasing the total mass of the composite tank to above that of an aluminum-based tank, and too heavy for an SSTO vehicle.
641:, NASA would instead look to private industry to operate the reusable launch vehicle and NASA would purchase launch services from the commercial launch provider. Thus, the X-33 was not only about honing space flight technologies, but also about successfully demonstrating the technology required to make a commercial reusable launch vehicle possible. 608:
The uncrewed X-33 was slated to fly 15 suborbital hops to near 75.8 km altitude. It was to be launched upright like a rocket and rather than having a straight flight path it would fly diagonally up for half the flight, reaching extremely high altitudes, and then for the rest of the flight glide
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On September 7, 2004, Northrop Grumman and NASA engineers unveiled a liquid-hydrogen tank made of carbon-fiber composite material that had demonstrated the ability for repeated fuelings and simulated launch cycles. Northrop Grumman concluded that these successful tests have enabled the development
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be 10% of the fully fueled weight. This would allow a vehicle to fly to low Earth orbit without the need for the sort of external boosters and fuel tanks used by the Space Shuttle. But, after the composite tank failed on the test stand during fueling and pressure tests, NASA came to the conclusion
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In particular, the composite liquid hydrogen fuel tank failed during testing in November 1999. The tank was constructed of honeycomb composite walls and internal structures to reduce its weight. A lighter tank was needed for the craft to demonstrate necessary technologies for single-stage-to-orbit
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Failures of its 21-meter wingspan and multi-lobed, composite-material fuel tank during pressure testing ultimately led to the withdrawal of federal support for the program in early 2001. Lockheed Martin has conducted unrelated testing, and has had a single success after a string of failures as
394:.. to build a vehicle that takes days, not months, to turn around; dozens, not thousands, of people to operate; with launch costs that are a tenth of what they are now. Our goal is a reusable launch vehicle that will cut the cost of getting a pound of payload to orbit from $ 10,000 to $ 1,000. 612:
The X-33 was never intended to fly higher than an altitude of 100 km, nor faster than one-half of orbital velocity. Had any successful tests occurred, extrapolation would have been necessary to apply the results to a proposed orbital vehicle.
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The VentureStar was to be the first commercial aircraft to fly into space. The VentureStar was intended for long inter-continental flights and supposed to be in service by 2012, but this project was never funded or begun.
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and the resulting drop in the anticipated number of commercial satellite launches per year, Lockheed Martin concluded that continuing development of the X-33 privately without government support would not be profitable.
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NASA had invested $ 922 million in the project before cancellation, and Lockheed Martin a further $ 357 million. Due to changes in the space launch business—including the challenges faced by companies such as
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The decision to design and build the X-33 grew out of an internal NASA study titled "Access to Space". Unlike other space transport studies, "Access to Space" was to result in the design and construction of a vehicle.
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After the cancellation in 2001, engineers were able to make a working liquid-oxygen tank from carbon-fiber composite. Tests showed that composites were feasible materials for liquid-oxygen tanks
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Five companies expressed interest and proposed concepts. Of those five Lockheed Martin, Rockwell and McDonnell Douglas were selected for workup into more detailed proposals.
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Flight tests would involve speeds of up to Mach 15 and altitudes up to approximately 75,800 meters... The test program was baselined for a combined total of 15 flights.
585:, to design, build, and test the X-33 experimental vehicle for the RLV program. Lockheed Martin's design concept for the X-33 was selected over competing concepts from 382:
To "provide a technology base for development of advanced commercial launch systems that will make U.S. aerospace manufacturers more competitive in the global market."
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The uncrewed craft would have been launched vertically from a specially designed facility constructed on Edwards Air Force Base, and landed horizontally (
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100% complete when the program was canceled by NASA in 2001, after a long series of technical difficulties including flight instability and excess
364:, and Lockheed Martin, a Phase II contract to develop the X-33 as a demonstrator vehicle was awarded to Lockheed Martin in 1996. At the same time 4482: 3684: 3679: 3674: 1441: 1074: 4392: 952: 5117: 379:
To "demonstrate technologies leading to a new generation of space boosters capable of delivering payloads at significantly lower cost"
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In 1994 NASA initiated the Reusable Launch Vehicle (RLV) program. After a Phase I programme developing proposals from
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and refinement of new manufacturing processes that will allow the company to build large composite tanks without an
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Through the use of the lifting body shape, composite multi-lobed liquid fuel tanks, and the aerospike engine,
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Microcracking problem discovered in the liquid-hydrogen (LH2) multi-lobed tank core by NASA scientists at
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Once those test flights were completed, further flight tests were to be conducted from Edwards AFB to
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that was developed for a period in the 1990s. The X-33 was a technology demonstrator for the
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orbital spaceplane, which was planned to be a next-generation, commercially operated
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Construction of the prototype was some 85% assembled with 96% of the parts and the
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test vehicle. It would have used a single SSME for the main propulsion system.
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In a subsequent full-scale system to reach orbit Rockwell planned to use six
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featured a design using liquid oxygen/hydrogen bell engines based on its
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Uncrewed re-usable spaceplane technology demonstrator for the VentureStar
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hoped to test fly a craft that would demonstrate the viability of a
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X-33 model being prepared for testing in a wind-tunnel in 1997
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successfully built and tested a simple cylindrical composite
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Rockwell International X-33 Technology Demonstrator Proposal
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was a proposed uncrewed, sub-scale technology demonstrator
4575: 390:, the operational reusable space vehicle, flying in 2006. 1143:"Environmental Impact Statement, Notice of Intent 96-118" 1054:"X-33 Proposal by McDonnell Douglas - Computer Graphic" 1221:"Oxygen Compatibility Testing of Composite Materials" 1431:(press release), NASA, March 1, 2001, archived from 886: 62:. Unsourced material may be challenged and removed. 1400:Status of the X-33 Reusable Launch Vehicle Program 497:Test of the X-33's thermal protection system, 1998 187:$ 922 million NASA + $ 357 million Lockheed Martin 444:ultimately caused NASA to cancel the X-33 program 5213: 953:Wikisource:X-33 Advanced Technology Demonstrator 721:9,896 mph (15,926 km/h, 8,599 kn) 1199:"Subscale Composite Liquid Oxygen Tank Testing" 625:Based on the X-33 experience shared with NASA, 577:On July 2, 1996, NASA selected Lockheed Martin 399:D. Goldin NASA administrator on the RLV program 372:, an air-launched hypersonic research vehicle. 1248:, September 7, 2004, accessed January 9, 2017. 1023: 1021: 1019: 1017: 1015: 1013: 706:, 410,000 lbf (1,800 kN) thrust each 348:recently as 2009 using a 2-meter scale model. 4561: 4284: 3727: 1476: 1234: 1048: 1046: 992:"Reusable rocket plane soars in test flight" 747: 473:hydrogen tank as part of early work for the 409:The program was cancelled in February 2001. 1260:"An update on composite tanks for cryogens" 1010: 927:. Encyclopedia Astronautica. Archived from 424:operations. A hydrogen fueled SSTO craft's 4568: 4554: 4291: 4277: 3734: 3720: 1483: 1469: 1311: 1309: 1307: 1174:. NASA. September 23, 1998. Archived from 948: 946: 544:X-33 launch facility already completed at 140: 1108:"X-33/VentureStar — What really happened" 1043: 620: 480: 122:Learn how and when to remove this message 4978:Chinese reusable experimental spacecraft 764:-derived design. It would have used one 647: 539: 508: 500: 492: 484: 435: 428:requires that the weight of the vehicle 146:Artist's rendition of the X-33 in orbit. 1333:Full 1995 RAND TAV workshop proceedings 1304: 1145:. NASA. October 7, 1996. Archived from 943: 918: 916: 914: 14: 5214: 1406:, US: GAO, August 1999, archived from 1137: 1135: 1105: 1069: 1067: 963: 368:was awarded a contract to develop the 4954: 4591: 4549: 4272: 3715: 1464: 1257: 989: 922: 731: 513:Simulated in-flight view of the X-33. 1218: 1196: 983: 911: 785: 60:adding citations to reliable sources 31: 3522: 1449:, WP AFB: Air force, archived from 1392:, Federation of American Scientists 1369:(History), US: NASA, archived from 1132: 1124:. September 7, 2004. Archived from 1064: 990:David, Leonard (October 15, 2009). 375:The goals of the RLV program were: 24: 4592: 4303:(AFRL) spacecraft and air vehicles 633:for a full-scale SSTO RLV, called 505:Space art of X-33 at high altitude 25: 5273: 1346: 1106:Bergin, Chris (January 4, 2006). 1075:"X-33 Launch Complex (Area 1-54)" 964:Conner, Monroe (March 30, 2016). 687:285,000 lb (129,274 kg) 208:129,000 kg (285,000 lb) 5257:Proposed reusable launch systems 1342:https://www.youtube.com/watch?v= 1172:"The Policy Origins of the X-33" 889: 693:210,000 lb (95,000 kg) 260:1,800 kN (410,000 lbf) 36: 1443:X-33 Launch Complex (Area 1-54) 1326: 1292: 1270: 1251: 1212: 1190: 1164: 404: 47:needs additional citations for 4955: 1114: 1099: 957: 318:(SSTO RLVs), such as metallic 13: 1: 4301:Air Force Research Laboratory 1258:Black, Sara (November 2005). 904: 795:vertical takeoff and landing 7: 5227:Cancelled aircraft projects 5112:Ya Guidao Gainian Feixingqi 1264:High-Performance Composites 1228:High-Performance Composites 1206:High-Performance Composites 803: 755: 442:Goddard Space Flight Center 10: 5278: 4506:Tactical Satellite Program 4366:University Nanosat Program 4256:Assigned to multiple types 994:. NBC News. 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USAF. Archived from 966:"Lockheed Martin X-33" 856:McDonnell Douglas DC-X 846:Lunar Lander Challenge 681:77 ft (23 m) 675:69 ft (21 m) 660: 621:Commercial spaceflight 593:. Rockwell proposed a 587:Rockwell International 557:Dugway Proving Grounds 548: 546:Edwards Air Force Base 514: 506: 498: 490: 481:Design and development 445: 402: 358:Rockwell International 200:20 m (66 ft) 71:"Lockheed Martin X-33" 5247:Single-stage-to-orbit 5034:Space Shuttle orbiter 3744:experimental aircraft 3742:USAF / Joint Service 1686:C-130 Hercules family 1553:8-D, E & G Altair 1354:Simulated X-33 Flight 1288:on December 28, 2016. 1039:on February 24, 2013. 651: 543: 527:single-stage-to-orbit 512: 504: 496: 488: 475:Constellation program 439: 392: 313:single-stage-to-orbit 301:suborbital spaceplane 4340:Orbital Test Vehicle 1895:Shooting Star family 1759:L-188 Electra family 1620:Constellation family 1435:on December 13, 2015 1128:on January 10, 2017. 1110:. 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Archived from 1025: 1008: 1007: 1005: 1003: 987: 981: 980: 978: 976: 961: 955: 950: 941: 940: 938: 936: 920: 899: 894: 893: 892: 714: 701:linear aerospike 668: 659:, August 6, 2001 653:Aerospike engine 467:Northrop Grumman 400: 366:Orbital Sciences 335:aerospike engine 286:edit on Wikidata 144: 137: 133: 127: 120: 116: 113: 107: 105: 64: 40: 32: 21: 5277: 5276: 5272: 5271: 5270: 5268: 5267: 5266: 5212: 5211: 5210: 5205: 5182: 5122: 5090: 5044: 4993: 4957: 4938: 4807: 4781: 4656: 4627: 4594: 4583: 4574: 4544: 4539: 4500: 4438: 4402: 4361: 4304: 4297: 4267: 4262: 4245: 4190: 4145: 4115: 4099: 3941: 3795: 3789: 3758:"S" (1946–1947) 3757: 3751: 3740: 3710: 3705: 3694: 3669: 3664: 3654: 3634: 3624: 3599: 3594: 3579: 3569: 3559: 3544: 3539: 3518: 2726: 2721: 2711: 2671: 2656: 2616: 2596: 2554: 2521: 2514: 2498: 2447: 2416: 2315: 2279: 2249: 2210:Desert Hawk III 2200:Cormorant (UAV) 2178: 2164:YO-3 Quiet Star 2142: 2118:P2V/P-2 Neptune 2096:Maritime patrol 2091: 2072:SR-71 Blackbird 2044: 1988: 1957: 1921: 1890: 1862:Fighter-bombers 1853: 1790: 1754: 1681: 1615: 1567: 1537: 1499: 1496:Lockheed Martin 1489: 1456:on June 5, 2011 1453: 1446: 1440: 1425: 1416: 1414: 1410: 1403: 1397: 1385: 1376: 1374: 1363: 1353: 1349: 1339: 1338: 1331: 1327: 1319: 1315: 1314: 1305: 1297: 1293: 1276: 1275: 1271: 1256: 1252: 1239: 1235: 1223: 1217: 1213: 1201: 1195: 1191: 1181: 1179: 1170: 1169: 1165: 1152: 1150: 1141: 1140: 1133: 1120: 1119: 1115: 1104: 1100: 1090: 1088: 1087:on June 5, 2011 1084: 1077: 1073: 1072: 1065: 1052: 1051: 1044: 1027: 1026: 1011: 1001: 999: 988: 984: 974: 972: 962: 958: 951: 944: 934: 932: 921: 912: 907: 902: 895: 890: 888: 868:program by JAXA 806: 788: 768:(SSME) and two 758: 750: 734: 710: 664: 663: 627:Lockheed Martin 623: 531:low Earth orbit 523:Lockheed Martin 483: 414:launch facility 407: 401: 398: 354: 331:liquid hydrogen 329:fuel tanks for 289: 170:Lockheed Martin 147: 128: 117: 111: 108: 65: 63: 53: 41: 30: 23: 22: 15: 12: 11: 5: 5275: 5265: 5264: 5259: 5254: 5249: 5244: 5239: 5234: 5232:Lifting bodies 5229: 5224: 5207: 5206: 5204: 5203: 5195: 5192: 5191: 5188: 5187: 5184: 5183: 5181: 5180: 5177:SpaceShipThree 5174: 5168: 5162: 5157: 5152: 5147: 5141: 5136: 5130: 5128: 5124: 5123: 5121: 5120: 5115: 5109: 5104: 5098: 5096: 5092: 5091: 5089: 5088: 5082: 5076: 5070: 5064: 5059: 5052: 5050: 5049:In development 5046: 5045: 5043: 5042: 5036: 5031: 5025: 5019: 5013: 5007: 5001: 4999: 4995: 4994: 4992: 4991: 4986: 4981: 4975: 4969: 4967: 4959: 4958: 4948: 4947: 4944: 4943: 4940: 4939: 4937: 4936: 4931: 4926: 4921: 4916: 4911: 4906: 4901: 4896: 4891: 4886: 4881: 4873: 4868: 4863: 4858: 4853: 4848: 4843: 4838: 4832: 4826: 4821: 4815: 4813: 4809: 4808: 4806: 4805: 4803:Saturn-Shuttle 4800: 4795: 4789: 4787: 4783: 4782: 4780: 4779: 4773: 4767: 4761: 4756: 4751: 4746: 4740: 4735: 4729: 4723: 4717: 4711: 4710: 4709: 4706: 4698: 4692: 4686: 4681: 4676: 4671: 4664: 4662: 4661:In development 4658: 4657: 4655: 4654: 4648: 4642: 4635: 4633: 4629: 4628: 4626: 4625: 4619: 4613: 4606: 4604: 4596: 4595: 4593:Launch systems 4585: 4584: 4573: 4572: 4565: 4558: 4550: 4541: 4540: 4538: 4537: 4532: 4527: 4522: 4517: 4511: 4509: 4502: 4501: 4499: 4498: 4493: 4485: 4480: 4475: 4467: 4462: 4457: 4452: 4446: 4444: 4440: 4439: 4437: 4436: 4431: 4426: 4421: 4416: 4410: 4408: 4404: 4403: 4401: 4400: 4395: 4390: 4385: 4380: 4375: 4369: 4367: 4363: 4362: 4360: 4359: 4351: 4343: 4335: 4324: 4312: 4310: 4306: 4305: 4296: 4295: 4288: 4281: 4273: 4264: 4263: 4261: 4260: 4257: 4254: 4250: 4247: 4246: 4244: 4243: 4238: 4233: 4228: 4223: 4218: 4213: 4208: 4202: 4200: 4196: 4195: 4192: 4191: 4189: 4188: 4183: 4178: 4173: 4168: 4163: 4158: 4153: 4148: 4143: 4138: 4133: 4128: 4123: 4118: 4113: 4107: 4105: 4101: 4100: 4098: 4097: 4092: 4087: 4082: 4081: 4080: 4075: 4065: 4060: 4055: 4054: 4053: 4048: 4040: 4035: 4030: 4025: 4020: 4015: 4010: 4005: 4000: 3995: 3990: 3985: 3980: 3975: 3970: 3965: 3960: 3955: 3949: 3947: 3943: 3942: 3940: 3939: 3934: 3933: 3932: 3922: 3917: 3912: 3907: 3902: 3897: 3892: 3887: 3882: 3877: 3872: 3867: 3862: 3857: 3852: 3847: 3842: 3837: 3832: 3827: 3822: 3817: 3812: 3806: 3804: 3797: 3791: 3790: 3788: 3787: 3782: 3777: 3772: 3767: 3761: 3759: 3753: 3752: 3739: 3738: 3731: 3724: 3716: 3707: 3706: 3703: 3700: 3699: 3696: 3695: 3693: 3692: 3687: 3682: 3677: 3672: 3667: 3662: 3657: 3652: 3647: 3642: 3637: 3632: 3627: 3622: 3617: 3612: 3607: 3602: 3597: 3592: 3587: 3582: 3577: 3572: 3567: 3562: 3557: 3552: 3547: 3542: 3537: 3532: 3526: 3524: 3517: 3516: 3511: 3506: 3501: 3496: 3491: 3486: 3481: 3476: 3471: 3466: 3461: 3456: 3451: 3446: 3441: 3436: 3431: 3426: 3421: 3416: 3411: 3406: 3401: 3400: 3399: 3389: 3384: 3379: 3374: 3369: 3364: 3359: 3354: 3349: 3344: 3339: 3334: 3329: 3324: 3319: 3314: 3309: 3304: 3299: 3294: 3289: 3284: 3279: 3274: 3269: 3264: 3259: 3254: 3249: 3244: 3239: 3234: 3229: 3224: 3219: 3214: 3209: 3204: 3199: 3194: 3189: 3184: 3179: 3174: 3169: 3164: 3159: 3154: 3149: 3144: 3139: 3134: 3129: 3124: 3119: 3114: 3109: 3104: 3099: 3094: 3089: 3084: 3079: 3074: 3069: 3064: 3059: 3054: 3049: 3044: 3039: 3034: 3029: 3024: 3019: 3014: 3009: 3004: 2999: 2994: 2989: 2984: 2979: 2974: 2969: 2964: 2959: 2954: 2949: 2944: 2939: 2934: 2929: 2924: 2919: 2914: 2909: 2904: 2899: 2894: 2889: 2884: 2879: 2874: 2869: 2864: 2859: 2854: 2849: 2844: 2839: 2834: 2829: 2824: 2819: 2814: 2809: 2804: 2799: 2794: 2789: 2784: 2779: 2774: 2769: 2764: 2759: 2754: 2749: 2744: 2739: 2734: 2729: 2724: 2719: 2714: 2709: 2704: 2699: 2694: 2689: 2684: 2679: 2674: 2669: 2664: 2659: 2654: 2649: 2644: 2639: 2634: 2629: 2624: 2619: 2614: 2609: 2604: 2599: 2594: 2589: 2584: 2579: 2574: 2573: 2572: 2562: 2557: 2552: 2547: 2542: 2537: 2532: 2526: 2524: 2516: 2515: 2513: 2512: 2506: 2504: 2500: 2499: 2497: 2496: 2491: 2486: 2481: 2476: 2471: 2466: 2461: 2455: 2453: 2449: 2448: 2446: 2445: 2440: 2435: 2430: 2424: 2422: 2421:Light aircraft 2418: 2417: 2415: 2414: 2409: 2404: 2399: 2394: 2389: 2384: 2379: 2374: 2369: 2364: 2359: 2354: 2349: 2344: 2339: 2334: 2329: 2323: 2321: 2317: 2316: 2314: 2313: 2308: 2303: 2301:AH-56 Cheyenne 2298: 2293: 2287: 2285: 2281: 2280: 2278: 2277: 2272: 2267: 2261: 2259: 2255: 2254: 2251: 2250: 2248: 2247: 2242: 2237: 2232: 2227: 2222: 2217: 2212: 2207: 2202: 2197: 2192: 2186: 2184: 2180: 2179: 2177: 2176: 2171: 2166: 2161: 2156: 2150: 2148: 2144: 2143: 2141: 2140: 2135: 2130: 2125: 2120: 2115: 2110: 2105: 2099: 2097: 2093: 2092: 2090: 2089: 2084: 2079: 2074: 2069: 2063: 2061: 2054: 2053:Reconnaissance 2050: 2049: 2046: 2045: 2043: 2042: 2037: 2032: 2027: 2022: 2017: 2012: 2007: 2002: 1996: 1994: 1990: 1989: 1987: 1986: 1981: 1976: 1971: 1965: 1963: 1959: 1958: 1956: 1955: 1950: 1945: 1940: 1935: 1929: 1927: 1923: 1922: 1920: 1919: 1914: 1909: 1904: 1898: 1896: 1892: 1891: 1889: 1888: 1883: 1878: 1872: 1870: 1863: 1859: 1858: 1855: 1854: 1852: 1851: 1846: 1844:Vega Starliner 1841: 1836: 1831: 1830: 1829: 1822:L-1011 Tristar 1819: 1814: 1809: 1804: 1798: 1796: 1792: 1791: 1789: 1788: 1783: 1778: 1773: 1768: 1762: 1760: 1756: 1755: 1753: 1752: 1747: 1742: 1737: 1732: 1727: 1726: 1725: 1715: 1710: 1705: 1700: 1695: 1689: 1687: 1683: 1682: 1680: 1679: 1674: 1669: 1664: 1659: 1654: 1649: 1644: 1639: 1634: 1629: 1623: 1621: 1617: 1616: 1614: 1613: 1608: 1603: 1598: 1597: 1596: 1586: 1581: 1575: 1573: 1572:Electra family 1569: 1568: 1566: 1565: 1560: 1555: 1550: 1545: 1540: 1535: 1530: 1525: 1520: 1518:1 & 2 Vega 1514: 1512: 1505: 1501: 1500: 1488: 1487: 1480: 1473: 1465: 1459: 1458: 1438: 1423: 1395: 1383: 1373:on May 1, 2021 1361: 1348: 1347:External links 1345: 1337: 1336: 1325: 1303: 1291: 1269: 1250: 1233: 1211: 1189: 1163: 1131: 1113: 1098: 1063: 1042: 1009: 982: 956: 942: 909: 908: 906: 903: 901: 900: 885: 884: 879: 874: 869: 863: 858: 853: 848: 843: 838: 833: 828: 823: 818: 813: 807: 805: 802: 787: 784: 757: 754: 749: 746: 733: 730: 729: 728: 725:Maximum speed: 722: 719:Maximum speed: 708: 707: 694: 691:Fuel capacity: 688: 682: 676: 622: 619: 605:test vehicle. 482: 479: 406: 403: 396: 384: 383: 380: 353: 350: 291: 290: 283: 280: 279: 276: 275: 266: 262: 261: 258: 257:Maximum thrust 254: 253: 244: 240: 239: 238:Engine details 235: 234: 231: 230: 227: 223: 222: 221:Launch history 218: 217: 214: 210: 209: 206: 202: 201: 198: 194: 193: 189: 188: 185: 181: 180: 177: 173: 172: 167: 163: 162: 153: 149: 148: 145: 130: 129: 44: 42: 35: 28: 9: 6: 4: 3: 2: 5274: 5263: 5260: 5258: 5255: 5253: 5250: 5248: 5245: 5243: 5240: 5238: 5235: 5233: 5230: 5228: 5225: 5223: 5220: 5219: 5217: 5201: 5197: 5196: 5193: 5178: 5175: 5172: 5169: 5166: 5163: 5161: 5158: 5156: 5153: 5151: 5148: 5145: 5142: 5140: 5137: 5135: 5132: 5131: 5129: 5125: 5119: 5116: 5113: 5110: 5108: 5105: 5103: 5100: 5099: 5097: 5093: 5086: 5083: 5080: 5077: 5074: 5071: 5068: 5065: 5063: 5060: 5057: 5054: 5053: 5051: 5047: 5040: 5037: 5035: 5032: 5029: 5026: 5023: 5020: 5017: 5014: 5011: 5008: 5006: 5003: 5002: 5000: 4996: 4990: 4987: 4985: 4982: 4979: 4976: 4974: 4971: 4970: 4968: 4964: 4960: 4953: 4949: 4935: 4932: 4930: 4927: 4925: 4922: 4920: 4917: 4915: 4912: 4910: 4907: 4905: 4902: 4900: 4897: 4895: 4892: 4890: 4887: 4885: 4882: 4880: 4879: 4874: 4872: 4869: 4867: 4864: 4862: 4859: 4857: 4854: 4852: 4849: 4847: 4844: 4842: 4841:Chang Cheng-1 4839: 4836: 4833: 4831:(first stage) 4830: 4827: 4825: 4822: 4820: 4817: 4816: 4814: 4810: 4804: 4801: 4799: 4796: 4794: 4791: 4790: 4788: 4784: 4777: 4774: 4772:(first stage) 4771: 4768: 4766:(first stage) 4765: 4762: 4760: 4757: 4755: 4752: 4750: 4747: 4745:(first stage) 4744: 4741: 4739: 4736: 4734:(first stage) 4733: 4730: 4728:(first stage) 4727: 4724: 4722:(first stage) 4721: 4718: 4716:(first stage) 4715: 4712: 4707: 4704: 4703: 4702: 4699: 4697:(first stage) 4696: 4693: 4691:(first stage) 4690: 4687: 4685: 4682: 4680: 4677: 4675: 4672: 4670:(first stage) 4669: 4666: 4665: 4663: 4659: 4652: 4649: 4646: 4643: 4640: 4639:Space Shuttle 4637: 4636: 4634: 4630: 4623: 4620: 4618:(core stages) 4617: 4614: 4612:(first stage) 4611: 4608: 4607: 4605: 4601: 4597: 4590: 4586: 4582: 4578: 4571: 4566: 4564: 4559: 4557: 4552: 4551: 4548: 4536: 4533: 4531: 4528: 4526: 4523: 4521: 4518: 4516: 4513: 4512: 4510: 4507: 4503: 4497: 4494: 4489: 4486: 4484: 4481: 4479: 4476: 4471: 4468: 4466: 4463: 4461: 4458: 4456: 4453: 4451: 4448: 4447: 4445: 4441: 4435: 4432: 4430: 4427: 4425: 4422: 4420: 4417: 4415: 4412: 4411: 4409: 4405: 4399: 4396: 4394: 4391: 4389: 4386: 4384: 4381: 4379: 4376: 4374: 4371: 4370: 4368: 4364: 4358: 4357: 4352: 4350: 4349: 4344: 4342: 4341: 4336: 4331: 4330: 4325: 4320: 4319: 4314: 4313: 4311: 4307: 4302: 4294: 4289: 4287: 4282: 4280: 4275: 4274: 4271: 4258: 4255: 4252: 4251: 4248: 4242: 4239: 4237: 4234: 4232: 4229: 4227: 4224: 4222: 4219: 4217: 4214: 4212: 4209: 4207: 4204: 4203: 4201: 4197: 4187: 4184: 4182: 4179: 4177: 4174: 4172: 4169: 4167: 4164: 4162: 4159: 4157: 4154: 4152: 4149: 4144: 4142: 4139: 4137: 4134: 4132: 4129: 4127: 4124: 4122: 4119: 4114: 4112: 4109: 4108: 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2778: 2775: 2773: 2770: 2768: 2765: 2763: 2760: 2758: 2755: 2753: 2750: 2748: 2745: 2743: 2740: 2738: 2735: 2733: 2730: 2725: 2720: 2718: 2715: 2710: 2708: 2705: 2703: 2700: 2698: 2695: 2693: 2690: 2688: 2685: 2683: 2680: 2678: 2675: 2670: 2668: 2665: 2663: 2660: 2655: 2653: 2650: 2648: 2645: 2643: 2640: 2638: 2635: 2633: 2630: 2628: 2625: 2623: 2620: 2615: 2613: 2610: 2608: 2605: 2603: 2600: 2595: 2593: 2590: 2588: 2585: 2583: 2580: 2578: 2575: 2571: 2568: 2567: 2566: 2563: 2561: 2558: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2527: 2525: 2523: 2517: 2511: 2508: 2507: 2505: 2501: 2495: 2492: 2490: 2487: 2485: 2482: 2480: 2477: 2475: 2472: 2470: 2467: 2465: 2462: 2460: 2457: 2456: 2454: 2450: 2444: 2443:Little Dipper 2441: 2439: 2436: 2434: 2431: 2429: 2426: 2425: 2423: 2419: 2413: 2410: 2408: 2405: 2403: 2400: 2398: 2395: 2393: 2390: 2388: 2385: 2383: 2380: 2378: 2375: 2373: 2370: 2368: 2365: 2363: 2360: 2358: 2355: 2353: 2350: 2348: 2345: 2343: 2340: 2338: 2335: 2333: 2330: 2328: 2325: 2324: 2322: 2318: 2312: 2311:VH-92 Patriot 2309: 2307: 2306:VH-71 Kestrel 2304: 2302: 2299: 2297: 2294: 2292: 2289: 2288: 2286: 2282: 2276: 2273: 2271: 2268: 2266: 2263: 2262: 2260: 2256: 2246: 2243: 2241: 2238: 2236: 2233: 2231: 2228: 2226: 2223: 2221: 2218: 2216: 2213: 2211: 2208: 2206: 2203: 2201: 2198: 2196: 2193: 2191: 2188: 2187: 2185: 2181: 2175: 2172: 2170: 2167: 2165: 2162: 2160: 2157: 2155: 2152: 2151: 2149: 2145: 2139: 2136: 2134: 2133:CP-140 Aurora 2131: 2129: 2126: 2124: 2121: 2119: 2116: 2114: 2111: 2109: 2106: 2104: 2101: 2100: 2098: 2094: 2088: 2085: 2083: 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2064: 2062: 2058: 2055: 2051: 2041: 2038: 2036: 2033: 2031: 2028: 2026: 2023: 2021: 2018: 2016: 2013: 2011: 2008: 2006: 2003: 2001: 1998: 1997: 1995: 1991: 1985: 1982: 1980: 1977: 1975: 1972: 1970: 1967: 1966: 1964: 1962:Raptor family 1960: 1954: 1951: 1949: 1946: 1944: 1941: 1939: 1936: 1934: 1931: 1930: 1928: 1924: 1918: 1915: 1913: 1910: 1908: 1905: 1903: 1900: 1899: 1897: 1893: 1887: 1884: 1882: 1879: 1877: 1874: 1873: 1871: 1867: 1864: 1860: 1850: 1847: 1845: 1842: 1840: 1837: 1835: 1832: 1828: 1825: 1824: 1823: 1820: 1818: 1815: 1813: 1810: 1808: 1805: 1803: 1800: 1799: 1797: 1793: 1787: 1784: 1782: 1779: 1777: 1774: 1772: 1769: 1767: 1764: 1763: 1761: 1757: 1751: 1748: 1746: 1743: 1741: 1738: 1736: 1733: 1731: 1728: 1724: 1721: 1720: 1719: 1716: 1714: 1711: 1709: 1706: 1704: 1701: 1699: 1696: 1694: 1691: 1690: 1688: 1684: 1678: 1675: 1673: 1670: 1668: 1665: 1663: 1660: 1658: 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1628: 1627:Constellation 1625: 1624: 1622: 1618: 1612: 1609: 1607: 1604: 1602: 1599: 1595: 1592: 1591: 1590: 1587: 1585: 1582: 1580: 1577: 1576: 1574: 1570: 1564: 1561: 1559: 1556: 1554: 1551: 1549: 1546: 1544: 1541: 1536: 1534: 1531: 1529: 1526: 1524: 1523:3 Air Express 1521: 1519: 1516: 1515: 1513: 1509: 1506: 1502: 1497: 1493: 1486: 1481: 1479: 1474: 1472: 1467: 1466: 1463: 1452: 1445: 1444: 1439: 1434: 1430: 1429: 1424: 1417:September 11, 1409: 1402: 1401: 1396: 1391: 1390: 1384: 1377:September 11, 1372: 1368: 1367: 1362: 1360: 1356: 1351: 1350: 1344: 1343: 1334: 1329: 1318: 1312: 1310: 1308: 1300: 1295: 1287: 1283: 1279: 1273: 1265: 1261: 1254: 1247: 1246:News Releases 1243: 1237: 1229: 1222: 1215: 1207: 1200: 1193: 1177: 1173: 1167: 1160: 1148: 1144: 1138: 1136: 1127: 1123: 1117: 1109: 1102: 1083: 1076: 1070: 1068: 1059: 1055: 1049: 1047: 1038: 1034: 1030: 1024: 1022: 1020: 1018: 1016: 1014: 997: 993: 986: 971: 967: 960: 954: 949: 947: 930: 926: 919: 917: 915: 910: 898: 887: 883: 880: 878: 875: 873: 870: 867: 864: 862: 861:Quad (rocket) 859: 857: 854: 852: 849: 847: 844: 842: 839: 837: 834: 832: 829: 827: 824: 822: 819: 817: 814: 812: 809: 808: 801: 799: 796: 792: 783: 781: 778: 773: 772:-5A engines. 771: 767: 763: 762:Space Shuttle 753: 745: 743: 737: 726: 723: 720: 717: 716: 715: 713: 705: 704:rocket engine 702: 699:2 × XRS-2200 698: 695: 692: 689: 686: 683: 680: 677: 674: 671: 670: 669: 667: 658: 654: 650: 646: 642: 640: 639:Space Shuttle 636: 632: 631:business case 628: 618: 614: 610: 606: 604: 600: 596: 595:Space Shuttle 592: 588: 584: 580: 575: 573: 569: 568:Malmstrom AFB 564: 562: 559:southwest of 558: 554: 547: 542: 538: 536: 535:Space Shuttle 532: 528: 524: 520: 511: 503: 495: 487: 478: 476: 472: 468: 463: 460: 456: 452: 443: 438: 434: 431: 427: 426:mass fraction 421: 419: 415: 410: 395: 391: 389: 381: 378: 377: 376: 373: 371: 367: 363: 359: 349: 345: 343: 340: 336: 332: 328: 325: 321: 317: 314: 310: 306: 302: 298: 287: 281: 277: 274: 270: 267: 263: 259: 255: 252: 249: 245: 241: 236: 232: 228: 224: 219: 215: 211: 207: 203: 199: 195: 190: 186: 182: 179:United States 178: 174: 171: 168: 164: 161: 158: 154: 150: 143: 138: 126: 123: 115: 104: 101: 97: 94: 90: 87: 83: 80: 76: 73: –  72: 68: 67:Find sources: 61: 57: 51: 50: 45:This article 43: 39: 34: 33: 27: 19: 5198:* indicates 5170: 5062:Dream Chaser 5028:SpaceShipTwo 5022:SpaceShipOne 4877: 4616:Falcon Heavy 4355: 4347: 4339: 4328: 4318:Venture Star 4317: 4315: 4253:Not assigned 3987: 3794:Experimental 3704:Not assigned 2381: 2352:Star Clipper 2320:Experimental 2147:Other crewed 2113:PV-2 Harpoon 2108:PV-1 Ventura 1451:the original 1442: 1433:the original 1427: 1415:, retrieved 1408:the original 1399: 1388: 1375:, retrieved 1371:the original 1365: 1340: 1328: 1294: 1286:the original 1281: 1272: 1263: 1253: 1245: 1236: 1227: 1214: 1205: 1192: 1182:February 16, 1180:. Retrieved 1176:the original 1166: 1158: 1151:. Retrieved 1147:the original 1126:the original 1116: 1101: 1089:. Retrieved 1082:the original 1057: 1037:the original 1033:NASA Spinoff 1032: 1000:. Retrieved 996:the original 985: 973:. Retrieved 969: 959: 935:February 25, 933:. Retrieved 929:the original 789: 774: 759: 751: 738: 735: 724: 718: 711: 709: 696: 690: 684: 678: 672: 665: 662: 643: 624: 615: 611: 607: 576: 565: 550: 516: 464: 447: 430:without fuel 422: 411: 408: 405:Cancellation 393: 385: 374: 355: 346: 342:aerodynamics 339:lifting body 296: 294: 184:Project cost 166:Manufacturer 118: 109: 99: 92: 85: 78: 66: 54:Please help 49:verification 46: 26: 5242:Spaceplanes 5155:Silver Dart 5087:upper stage 5016:Gemini SC-2 4973:Boeing X-37 4934:VentureStar 4866:Hyperbola-2 4793:Kankoh-maru 4726:Orbex Prime 4695:Hyperbola-3 4674:Ariane Next 4653:* (booster) 4647:* (booster) 4622:New Shepard 4460:MightySat-2 4455:MightySat-1 3946:26–50 2347:Senior Prom 2284:Helicopters 2205:Desert Hawk 1993:Other types 1795:Other types 1601:18 Lodestar 1511:Vega family 1153:January 30, 1002:October 27, 923:Mark Wade. 836:Kankoh-maru 816:Blue Origin 712:Performance 697:Powerplant: 635:VentureStar 579:Skunk Works 388:VentureStar 305:VentureStar 5216:Categories 5200:suborbital 4956:Spacecraft 4919:Tianjiao-1 4914:Sea Dragon 4837:(boosters) 4770:Tianlong-3 4701:Long March 4581:spacecraft 4508:satellites 4491:(canceled) 4473:(canceled) 4470:TechSat-21 4333:(canceled) 4329:Blackswift 4322:(canceled) 4259:Unofficial 4051:X-44 (UAV) 4046:X-44 MANTA 3803:1–25 2494:Trident II 2464:High Virgo 2428:Big Dipper 2342:Senior Peg 2245:X-44 (UAV) 2138:P-7 LRAACA 2123:S-3 Viking 1984:X-44 MANTA 1611:43 Harpoon 1606:37 Ventura 1594:414 Hudson 1579:10 Electra 1543:7 Explorer 1528:4 Explorer 1504:Transports 905:References 777:Rocketdyne 451:Globalstar 265:Propellant 243:Powered by 157:spaceplane 82:newspapers 5165:X-30 NASP 5127:Cancelled 5095:Proposals 5081:(capsule) 5075:(capsule) 5069:(capsule) 5058:(capsule) 5012:(capsule) 4876:Hopper / 4851:Falcon 1e 4786:Proposals 4778:(engines) 4720:New Glenn 4356:WaveRider 4104:51– 2489:Trident I 2474:Ping-Pong 2327:Have Blue 2128:P-3 Orion 1812:Excalibur 1563:DL.1 Vega 782:engines. 742:autoclave 471:cryogenic 455:Teledesic 327:cryogenic 324:composite 5202:vehicles 5085:Starship 5067:Mengzhou 4989:Shenlong 4984:Dragon 2 4856:Falcon 5 4812:Canceled 4764:Terran R 4732:Pallas-1 4689:Electron 4679:CALLISTO 4610:Falcon 9 4535:TacSat-5 4530:TacSat-4 4525:TacSat-3 4520:TacSat-2 4515:TacSat-1 4488:PnPSat-1 4424:Coriolis 4199:See also 3162:400 (II) 3042:282 (II) 2484:Poseidon 2452:Missiles 2433:Explorer 2258:Trainers 1548:8 Sirius 1492:Lockheed 1389:X planes 1386:"X-33", 1091:June 30, 975:April 9, 804:See also 756:Rockwell 655:test at 465:In 2004 397:—  248:XRS-2200 229:Canceled 152:Function 112:May 2011 5150:Mustard 4998:Retired 4980:(CSSHQ) 4878:Phoenix 4819:Adeline 4714:Miura 5 4632:Retired 4383:FASTRAC 4373:Program 4327:HTV-3X 3748:X-plane 3157:400 (I) 3037:282 (I) 2522:numbers 2510:J37/T35 2503:Engines 2479:Polaris 2469:Perseus 2225:Polecat 2220:MQM-105 2190:Aequare 1953:CL-1200 1943:NF-104A 1817:JetStar 1723:EC-130H 1558:9 Orion 1359:YouTube 780:RS-2100 727:Mach 13 673:Length: 459:Iridium 352:History 96:scholar 5139:Kliper 5102:Avatar 5010:Dragon 4966:Active 4924:Spiral 4871:HOPE-X 4835:Ares V 4829:Ares I 4824:Angara 4798:SASSTO 4776:Vulcan 4749:Skylon 4738:RLV-TD 4684:CORONA 4645:Petrel 4603:Active 4496:ANGELS 4478:XSS-11 4465:XSS-10 4429:C/NOFS 4354:X-51A 4346:X-40A 2291:CL-475 2235:RQ-170 2195:AQM-60 2154:CL-400 2103:Hudson 1948:CL-288 1933:XF-104 1839:Saturn 1834:L-2000 1781:CP-140 1745:WC-130 1740:MC-130 1735:LC-130 1730:KC-130 1718:EC-130 1713:HC-130 1708:DC-130 1703:AC-130 1698:C-130J 1672:EC-121 1652:L-1249 1647:L-1049 1533:5 Vega 1278:"X-33" 925:"X-33" 679:Width: 457:, and 418:weight 333:, the 226:Status 213:Stages 197:Height 98:  91:  84:  77:  69:  5118:SUSIE 5079:Orion 4909:Roton 4884:HOTOL 4861:Nexus 4419:TSX-5 4414:ARGOS 4398:ELFIN 4393:DANDE 4388:CUSat 4338:X-37 4316:X-33 4299:U.S. 4241:XQ-67 4236:XQ-58 4231:M2-F3 4226:M2-F2 4221:M2-F1 4216:HL-10 4211:HiMAT 4078:X-47C 4073:X-47B 4042:X-44 3930:X-24C 3635:27–32 3570:12–14 2520:Model 2459:Agena 2438:L-402 2377:X-26B 2372:X-24C 2357:XC-35 2337:L-301 2332:L-133 2296:XH-51 2275:T-50A 2240:SR-72 2077:YF-12 2040:YP-24 2035:XF-90 2030:XFM-2 2025:F-117 2000:A-4AR 1979:FB-22 1969:YF-22 1938:F-104 1886:XP-58 1881:XP-49 1807:C-141 1766:L-188 1750:L-100 1693:C-130 1677:XB-30 1667:C-121 1642:L-749 1637:L-649 1632:L-049 1454:(PDF) 1447:(PDF) 1411:(PDF) 1404:(PDF) 1320:(PDF) 1301:image 1224:(PDF) 1202:(PDF) 1085:(PDF) 1078:(PDF) 1058:DVIDS 882:Zarya 798:DC-XA 770:RL-10 603:DC-XA 284:[ 103:JSTOR 89:books 5171:X-33 5160:SOAR 5144:Lynx 5039:X-15 4899:MAKS 4668:Amur 4651:Skua 4579:and 4483:ISAT 4450:TAOS 4206:AD-1 4186:X-66 4181:X-65 4176:X-64 4171:X-63 4166:X-62 4161:X-61 4156:X-60 4151:X-59 4146:X-58 4141:X-57 4136:X-56 4131:X-55 4126:X-54 4121:X-53 4116:X-52 4111:X-51 4095:X-50 4090:X-49 4085:X-48 4068:X-47 4063:X-46 4058:X-45 4038:X-43 4033:X-42 4028:X-41 4023:X-40 4018:X-39 4013:X-38 4008:X-37 4003:X-36 3998:X-35 3993:X-34 3988:X-33 3983:X-32 3978:X-31 3973:X-30 3968:X-29 3963:X-28 3958:X-27 3953:X-26 3937:X-25 3925:X-24 3920:X-23 3915:X-22 3910:X-21 3905:X-20 3900:X-19 3895:X-18 3890:X-17 3885:X-16 3880:X-15 3875:X-14 3870:X-13 3865:X-12 3860:X-11 3855:X-10 3560:7–10 3523:Vega 3514:2329 3509:2000 3504:1980 3499:1800 3494:1700 3489:1649 3484:1600 3479:1549 3474:1449 3469:1400 3464:1329 3459:1249 3454:1237 3449:1236 3444:1235 3439:1201 3434:1200 3429:1195 3424:1149 3419:1132 3414:1090 3409:1080 3404:1060 3392:1049 3387:1026 3382:1020 3377:1011 3372:1010 3367:1000 2412:XV-4 2402:X-59 2397:X-56 2392:X-55 2387:X-35 2382:X-33 2367:X-17 2265:T-33 2230:RQ-3 2215:Fury 2183:UAVs 2174:TR-X 2169:TR-1 2087:D-21 2082:M-21 2067:A-12 2020:F-35 2015:F-21 2010:F-16 1974:F-22 1912:T-33 1907:F-94 1902:F-80 1876:P-38 1776:EP-3 1662:C-69 1494:and 1419:2007 1379:2007 1366:X-33 1184:2011 1155:2008 1093:2011 1004:2009 977:2023 970:NASA 937:2015 599:VTVL 589:and 553:VTHL 521:and 519:NASA 370:X-34 295:The 205:Mass 192:Size 135:X-33 75:news 18:X-33 5134:H-2 4929:V-2 4889:K-1 4434:DSX 4378:3CS 3850:X-9 3845:X-8 3840:X-7 3835:X-6 3830:X-5 3825:X-4 3820:X-3 3815:X-2 3810:X-1 3785:S-5 3780:S-4 3775:S-3 3770:S-2 3765:S-1 3362:995 3357:985 3352:984 3347:981 3342:980 3337:977 3332:949 3327:934 3322:915 3317:901 3312:880 3307:849 3302:840 3297:823 3292:822 3287:785 3282:780 3277:760 3272:749 3267:704 3262:685 3257:680 3252:649 3247:645 3242:622 3237:595 3232:580 3227:549 3222:522 3217:520 3212:500 3207:489 3202:480 3197:475 3192:449 3187:437 3182:422 3177:414 3172:407 3167:402 3152:389 3147:382 3142:380 3137:379 3132:351 3127:349 3122:346 3117:331 3112:330 3107:329 3102:325 3097:322 3092:320 3087:301 3082:300 3077:298 3072:296 3067:295 3062:293 3057:288 3052:286 3047:285 3032:249 3027:246 3022:245 3017:244 3012:222 3007:212 3002:210 2997:207 2992:206 2987:204 2982:200 2977:199 2972:193 2967:189 2962:188 2957:186 2952:185 2947:182 2942:171 2937:170 2932:149 2927:144 2922:141 2917:140 2912:137 2907:136 2902:133 2897:129 2892:122 2887:105 2882:104 2877:100 2570:A/D 2407:XFV 2362:X-7 2270:T2V 2159:U-2 2005:A-9 1917:T2V 1849:R6V 1827:RAF 1802:C-5 1786:P-7 1771:P-3 1357:on 581:of 570:in 273:LH2 269:LOX 58:by 5218:: 3690:43 3685:42 3680:41 3675:40 3670:39 3665:38 3660:37 3655:36 3650:35 3645:34 3640:33 3630:26 3625:25 3620:24 3615:23 3610:22 3605:21 3600:20 3595:19 3590:18 3585:17 3580:16 3575:15 3565:11 2872:99 2867:94 2862:93 2857:92 2852:91 2847:90 2842:89 2837:88 2832:87 2827:86 2822:85 2817:84 2812:83 2807:82 2802:81 2797:80 2792:75 2787:62 2782:61 2777:60 2772:52 2767:51 2762:50 2757:49 2752:45 2747:44 2742:42 2737:41 2732:40 2727:39 2722:38 2717:37 2712:36 2707:35 2702:34 2697:33 2692:32 2687:31 2682:30 2677:29 2672:28 2667:27 2662:26 2657:25 2652:24 2647:23 2642:22 2637:21 2632:20 2627:19 2622:18 2617:17 2612:16 2607:15 2602:14 2597:13 2592:12 2587:11 2582:10 1306:^ 1280:. 1262:. 1244:, 1226:. 1204:. 1157:. 1134:^ 1066:^ 1056:. 1045:^ 1031:. 1012:^ 968:. 945:^ 913:^ 601:) 563:. 477:. 453:, 420:. 360:, 344:. 322:, 246:2 5179:* 5173:* 5167:* 5146:* 5114:* 5041:* 5030:* 5024:* 5018:* 4624:* 4569:e 4562:t 4555:v 4292:e 4285:t 4278:v 3746:( 3735:e 3728:t 3721:v 3555:6 3550:5 3545:4 3540:3 3535:2 3530:1 3397:A 2577:9 2565:8 2560:7 2555:6 2550:5 2545:4 2540:3 2535:2 2530:1 1538:6 1484:e 1477:t 1470:v 1437:. 1422:. 1394:. 1382:. 1322:. 1266:. 1230:. 1208:. 1186:. 1095:. 1060:. 1006:. 979:. 939:. 288:] 271:/ 216:1 125:) 119:( 114:) 110:( 100:· 93:· 86:· 79:· 52:. 20:)

Index

X-33

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"Lockheed Martin X-33"
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spaceplane
technology demonstrator
Lockheed Martin
XRS-2200
linear aerospikes
LOX
LH2
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suborbital spaceplane
VentureStar
reusable launch vehicle
single-stage-to-orbit
reusable launch vehicles
thermal protection systems
composite
cryogenic
liquid hydrogen

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