0000001182 00000 n 18 0 obj endobj Thompson. . %PDF-1.3 The approach taken in the development of. endstream endobj startxref [7A\SwBOK/X/_Q>QG[ `Aaac#*Z;8cq>[&IIMST`kh&45YYF9=X_,,S-,Y)YXmk]c}jc-v};]N"&1=xtv(}'{'IY) -rqr.d._xpUZMvm=+KG^WWbj>:>>>v}/avO8 An official website of the United States government, The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite, Hosted by Defense Media Activity - WEB.mil. May 2016 : Space and Missile Systems Center . 0000006428 00000 n The EELV was expected handle the bulk of the U.S. government's launch requirements after the year 2000 and was also expected to be used for commercial applications. The approach continues procurement of launch services and launch capability from ULA for the next several years but provides for a full and open competitive environment for any alternative sources as soon as they are certified. National Security Space Launch (NSSL) formerly Evolved Expendable Launch Vehicle (EELV) from 1994 to 2019 is a program of the United States Space Force (USSF) intended to assure access to space for United States Department of Defense and other United States government payloads. %PDF-1.5 % Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Rideshare Users Guide, and Do-no-harm Requirements Document . 27 0 obj <> endobj xref As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. ' Zk! $l$T4QOt"y\b)AI&NI$R$)TIj"]&=&!:dGrY@^O$ _%?P(&OJEBN9J@y@yCR nXZOD}J}/G3k{%Ow_.'_!JQ@SVF=IEbbbb5Q%O@%!ByM:e0G7 e%e[(R0`3R46i^)*n*|"fLUomO0j&jajj.w_4zj=U45n4hZZZ^0Tf%9->=cXgN]. 2612 [37], The main features of the Falcon 9 in its current Block 5 version include two stages, both powered by LOX and RP-1, with nine Merlin 1D engines on the first stage and one Merlin 1D Vacuum engine on the second stage. Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. 2 0 obj The EELV system included launch vehicles, infrastructure, support systems, and interfaces. The Northrop Grumman name and logos are registered trademarks of Northrop Grumman. SpaceX bid the existing launch vehicles of Falcon 9 and Falcon Heavy, while Blue Origin was expected to bid New Glenn, ULA bid Vulcan Centaur, and NGIS's bid status was not reported. 2784 0 obj <>stream 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl +7^j[Xcm,?p._. 0000003146 00000 n Boeing initially proposed using the RS-25 Space Shuttle main engine. stream Northrop Grumman hardware and software enables multiple missions on single launch, Mission launched onboard a United Launch Alliance Atlas V rocket, Source: Space News. Category A payloads fit within a 4m diameter payload envelope, category B payloads fit within a 5m diameter payload envelope, and category C payloads require an extended 5m diameter envelope. 0000004200 00000 n xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ >> 0000082556 00000 n FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK startxref As of 2015 the EELV program was actively pursuing a competitive scenario for launch acquisitions, but the launch industry is currently undergoing numerous changes, and the makeup of the industry in the future is uncertain. <<1FA29D3E1AADB2110A00D0FE946CFD7F>]/Prev 340978>> 0000010608 00000 n endobj [49] In the event, no phase 2 funding from the US government was forthcoming after August 2020 when ULA Vulcan and SpaceX were selected by the Air Force. An Atlas V XYZ will have a 4.2-or-5.4-meter (14 or 18ft) diameter payload fairing, Y solid rocket boosters (0-5), and Z RL-10's on the Centaur upper stage (1-2). The strategy invests in new and/or upgraded commercial launch solutions that also meet National Security Space (NSS) requirements. In the event, no phase 2 funding from the US government was forthcoming after August 2020 when ULA Vulcan and SpaceX were selected by the Air Force. endobj Feature; Published: 28 November 2017; EELV secondary payload adapter (ESPA) static qualification tests. 0000068253 00000 n %%EOF The Falcon Heavy is a heavy-lift rocket developed and produced by SpaceX. For almost 10 years, the EELV program had only one company capable of providing launches. [36] As of 10November2022[update], 19 launches remain. %PDF-1.4 % Standard payload interfaces were touted as another way to save money and improve efficiency, though success in that area remained to be seen. On this Wikipedia the language links are at the top of the page across from the article title. stream The Evolved Expendable Launch Vehicle (EELV) system is being developed by the United States Air Force (USAF) and its prime contractors to meet the nations need for expend-able launch vehicles through the . 678 0 obj <>stream Senator Richard Shelby is from Alabama. A Standard Payload Interface bus was also proposed as a way to save money and improve efficiency. 7 0 obj 0000070080 00000 n [5] Delta IV Medium was retired in August 2019. 6 0 obj xref mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. 0000076318 00000 n NASA Mission Specific ESPA SIS 4 LSP-REQ-317.01B Launch Services Program Program Level Dispenser and CubeSat 15 0 obj x[n$ }hIY 7g8@/U}f9MHy^Z^~|^|TWmo<4c5UX|.Gqjs[6oc?y~x,D? xXn8+84 3m s?0d)!#fDQb-U!~$?ORR /p_)'a}^vh#|Z8+j-v$2c{\u>y-_{ZVV%mr|u|~/a& d0S&/SJig=0QtN&?iHpzje1$Zu>)4{^D)%g/(M%@%@^t`gGe6>a409$"e FA/|W z>q5.~iQXwID:!c The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. endstream 27 33 The RSS is offered only onEvolved Expendable Launch Vehicle (EELV) LVs certified to launch National Security Space missions; hence, APLs must not violate EELV requirements documented in the EELV Standard Interface Specification (SIS) and/or System Performance Requirement Document (SPRD). After many years of government-funded studies on the subject of modernized launch vehicle systems, the Air Force finally developed a "roadmap" in 1994 for the acquisition of Evolved Expendable Launch Vehicles (EELVs) to replace the DELTA IIs, ATLAS IIs, and TITAN IVs then in use at Cape Canaveral. [35], A three-digit (XYZ) naming convention is used for the Atlas V configuration identification. 0000000016 00000 n This would be difficult to achieve since projections showed that the EELV would not be able to meet the requirements of as much as 42 percent of the estimated commercial market. It uses 457,295 lbs (207,425 kg) of liquid oxygen and 169,008 lbs (76,660 kg) RP-1 rocket fuel propellants. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification, 2011 (not cleared for public circulation) LSP-REQ-317.01B Launch Services Program (LSP) Program Level Dispenser and CubeSat Requirements Document MIL-STD-1540C Military Standard Test Requirements for Launch, Upper-Stage, and Space Vehicles The purpose of this paper is to describe the development of the EELV Standard Interface Specification (SIS) and its implications for spacecraft designers. Expendable launch system program of the United States Space Force, List of Falcon 9 and Falcon Heavy launches (20102019) 2018, "Space Systems Command Celebrates First Anniversary as USSF Field Command", "JUST IN: National Reconnaissance Office Embracing Commercial Tech", "Defense Primer: National Security Space Launch", "EELV isn't what it used to be: Air Force changes launch program name", "Air Force establishes National Security Space Launch program", "National Security Presidential Directive 40: U.S. Space Transportation Policy", "Two Former Boeing Managers Charged in Plot to Steal Trade Secrets from Lockheed Martin", "Pentagon strips 7 launches from Boeing Delta 4 rocket", "Reusable Successor To EELV Moving Ahead", "Prototype Reusable Rocket Effort Felled by U.S. Budget Woes", "EELV Update: A Split Decision and a New Beginning", "SpaceX Awarded Two EELV-Class Missions from the United States Air Force", "After successful landing, SpaceX to sue Air Force to compete for launch contracts", "SpaceX wins intermediate victory over US in launch contract case", "SpaceX says rocket purchases violate Russian sanctions, gets injunction", "SpaceX elbows into Air Force launch program after dropping lawsuit", "SpaceX, Air Force Settle Lawsuit over ULA Blockbuy", "SpaceX Falcon 9 Certified for Military Launches", "SpaceX wins $82 million contract for 2018 Falcon 9 launch of GPS 3 satellite", Nine reference orbits & payloads for USDoD space missions, "DOD Releases Fiscal Year 2021 Budget Proposal", "ULA Delta IV launches the NROL-25 military satellite from VAFB", "United Launch Alliance Successfully Launches GPS III Satellite for U.S. Air Force Space and Missile Systems Center", "Delta IV Medium's well-earned retirement with GPS finale", "ULA stops selling its centerpiece Atlas V, setting path for the rocket's retirement", "ULA targeting September 26 for next Delta 4-Heavy launch attempt", "SpaceX flies historic 10th mission of a Falcon 9 as Starlink constellation expands", "Air Force requirements will keep SpaceX from landing Falcon 9 booster after GPS launch", "Air Force certified Falcon Heavy for national security launch, but more work needed to meet required orbits", "Air Force certified Falcon Heavy for national security launch but more work needed to meet required orbits", SpaceX wins $130 million military launch contract for Falcon Heavy, U.S. department of defense - Contracts for February 19, 2019, SMC Issues Final RFP For Five EELV Launches; SBIRS & 4 Classified Payloads, "Air Force Awards Launch Vehicle Development Contracts to Blue Origin Northrop Grummand ULA", "Pentagon picks SpaceX and ULA to remain its primary launch providers", "In a consequential decision, Air Force picks its rockets for mid-2020s launches", "Northrop Grumman to terminate OmegA rocket program", "Vulcan Centaur Rocket on Schedule for First Flight in 2021: ULA Submits Proposal for U.S. Air Force's Launch Services Competition", "Blue Origin files protest challenging 'flawed' Air Force strategy for choosing launches", https://en.wikipedia.org/w/index.php?title=National_Security_Space_Launch&oldid=1140354433, Space launch vehicles of the United States, Pages with non-numeric formatnum arguments, Short description is different from Wikidata, Articles containing potentially dated statements from November 2022, All articles containing potentially dated statements, Wikipedia articles in need of updating from June 2020, All Wikipedia articles in need of updating, All Wikipedia articles written in American English, Creative Commons Attribution-ShareAlike License 3.0. place critical United States Government assets and capabilities into space; augment space-based capabilities in a timely manner in the event of increased operational needs or minimize disruptions due to on-orbit satellite failures, launch failures, or deliberate actions against U.S. space assets; support government and commercial human space flight. [8] Some of the reasons why assured access to space is a priority for the United States are stated in National Presidential Directive Number 40, which reads: Access to space through U.S. space transportation capabilities is essential to: The United States, therefore, must maintain robust, responsive, and resilient U.S. space transportation capabilities to assure access to space. 0000003519 00000 n xkqW@F%N(ISI>bUqE-9? U~2=s?/*Vni{w}]V_(?OnSy7W7e/Myug p=gOnJZ~ Mylo>)*1wNMY-sym{9.N u]%r 1qBuoFIrGmv vf.lO|RBhm7UVgo#`bME :q-vp{MfuyC@m/4[lV9/|ou;4;TwL==|X[e%" k+Xl["9/{+oOud&p>qfCxMa_&!+,P( xlvB^F,d` 0000001712 00000 n 12 0 obj ]p2c*lR-fHqmh"? WQ(_l+OKP($p Aa-7!@2y #%)#(F'00B[;y7/0F"4N( $&`,8aK/>z0?{3 << /Length 19 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite in August 2002. 0000017080 00000 n The 4m diameter DCSS was retired with the Delta IV Medium after the 22 August 2019 launch of a GPS-III satellite on a Delta IV M+(4,2) two SRBs, and a 4m diameter DCSS and payload fairing. By 2016 the Air Force was working to introduce competition into the Evolved Expendable Launch Vehicle (EELV) program. APL requirements are not addressed in the SIS but their 0000010365 00000 n [ /ICCBased 18 0 R ] hb```,l? The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. The primary goal remains 100% mission success while incentivizing cost reductions. [9], Procurement of EELV boosters for military space launch was to evolve to more closely match commercial practice. 2612 0000000956 00000 n ]$p_>Ox1s?Vm,po%\Y&7r0& Sa`c6yh 2(~Xb)e# La?y`/sY< -RV\]{wTKc}6saI]Y >:GP!~3kT 0000005993 00000 n endobj stream [47][48], The contract type for the phase 2 contracts is new for US government launches as it will be a "firm-fixed-price, indefinite-delivery" type of launch contract. [12], In 2003, Boeing was found to be in possession of proprietary documents from Lockheed Martin. Search 209,668,378 papers from all fields of science . [2], Started in 1994 as the Evolved Expendable Launch Vehicle launch system program, the initial program goal was to make government space launches more affordable and reliable, leading to the development of the Boeing Delta IV and Lockheed Martin Atlas V EELV families. endobj The Delta IV Heavy launch vehicle uses three Common Booster Cores (CBCs) each powered by a Pratt and Whitney Rocketdyne RS-68A engine, a Delta Cryogenic Second Stage 5m (DCSS) powered by an RL10, and a 5m payload fairing. Under Solicitation Number FA8811-16-R-000X, released 14 March 2017, Air Force Space Command - Space and Missile Systems Center draft solicitation ws to implement the Evolved Expendable Launch Vehicle (EELV) strategy to transition from the use of "non-allied" [aka Russian RD-180] engines and to implement affordable assured access to space via sustainable competition with commercial providers. hs2z\nLA"Sdr%,lt Since 2019 there are four vehicles certified by the Department of Defense to conduct NSSL launches: Atlas V, Delta IV Heavy, Falcon 9 and Falcon Heavy. CX' )3~~0Q I3W [46] OmegA was a rocket design with two main solid stages, a cryogenic upper stage, and the possibility of additional solid-rocket strap-on boosters. R'O* u/7svAZ6r4[ZDX$22L)966@D1{2?=ben6hy. % 2 0 obj The Atlas V family is capable of carrying payloads of 8,900 kg (19,620 lbs) to geosynchronous transfer orbit, and can lift 16,034 kg (35,343 lbs) to low-Earth orbit. Along with the award of two development agreements, the total amount was more than $3 billion. 651 0 obj <>/Filter/FlateDecode/ID[<6EC1C2F151EC3C45B8B5ECDBB3EB3C71><0EADE15319BF1E45AF492E40E1E9E55A>]/Index[637 42]/Info 636 0 R/Length 86/Prev 989486/Root 638 0 R/Size 679/Type/XRef/W[1 3 1]>>stream [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. for GPS III Launch Services . trailer ULA also asserted that the Phase 1A launch is basically a lowest price, technically acceptable competition, unsuitable for launch contracts" hbbd```b`` d#XD That strategy was designed to (1) . To do so, ULA has had to maintain sufficient cost accounting systems within the company. This could include full development of a new launch system or modifications to an existing launch system, including launch infrastructure. DHh0D@z5+?w Development includes all efforts leading up to and including EELV certification (and the validation of all NRE work) to meet the full range of EELV mass-to-orbit requirements hs2z\nLA"Sdr%,lt 6;6_.k These launch vehicles provide critical spacelift capability to support Department of Defense and other National Security missions (together known as National Security Space (NSS) missions). If that was the case, then the Air Force will have developed a new family of launch vehicles that would be primarily used only for national security payloads, resulting in higher overhead costs to DoD, while missing an opportunity to maximize the competitive posture of US industry. The FY 2016 NDAA recognized that a small number of Russian engines could be needed to ensure a near-term competitive environment. endstream 120 0 obj [20], The USAF signed a contract at that time with SpaceX for two launches in 2014 and 2015 to serve as proving flights to support the certification process for the Falcon 9 v1.1 and Falcon Heavy. 4.0,` 3p H.Hi@A> EELV Standard Interface Specification - Version 6.0 2. <>stream El Segundo, California 90245-2808 : DISTRIBUTION STATEMENT A: Approved for public release. Up to five solid rocket boosters can be added to augment performance. [13] Boeing and Lockheed Martin were each awarded US$500 million for the final phase of the bid. These load factors, as shown in Table 1, represent a set of accelerations that 0000006880 00000 n >> hbbd```b`` D:H3YH22H5,)qS =A&]8 I 0000004106 00000 n Boeing developed the Delta IV based around Common Booster Cores and the Delta Cryogenic Second Stage, while Lockheed Martin developed the Atlas V based around Common Core Boosters and the Centaur upper stage. << /ProcSet [ /PDF /Text ] /ColorSpace << /Cs1 7 0 R >> /Font << /TT2 9 0 R However, the Committee was concerned that the Department was focusing too narrowly on its national security requirements and not adequately reflecting the needs of the US commercial space launch industry. As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. ' Zk! $l$T4QOt"y\b)AI&NI$R$)TIj"]&=&!:dGrY@^O$ _%?P(&OJEBN9J@y@yCR nXZOD}J}/G3k{%Ow_.'_!JQ@SVF=IEbbbb5Q%O@%!ByM:e0G7 e%e[(R0`3R46i^)*n*|"fLUomO0j&jajj.w_4zj=U45n4hZZZ^0Tf%9->=cXgN]. In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. endobj In working to introduce competition into launch contracts, the Air Force is changing its acquisition approach for launch services, including the amount of cost and performance data that it planned to obtain under future launch contracts. {,M?TSwjj:2U|=ney(ymjvkeY&AeZDuL2 M#oWX~s iAzj]:a[Fd U?Vi5p5Zq,9,bZ/@,%, 6`#@)4I7,nCsSXDiAG'By"yeGy)h\s1{.D._"e-`uM67h2I ]_R)4I}I ? As of that time, Vulcan Centaur was on track for a 2021 launch. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l We encourage you to use one of these browsers for the best experience. A1vjp zN6p\W pG@ The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. Semantic Scholar's Logo. Either a 4m or 5m fairing encapsulates the payload. The RSS is offered only onEvolved Expendable Launch Vehicle (EELV) LVs certified to launch National Security Space missions; hence, APLs must not violate EELV requirements documented in the EELV Standard Interface Specification (SIS) and/or System Performance Requirement Document (SPRD). Launch performance can be augmented by adding either two or four solid rocket motors. 21 0 obj 0000001361 00000 n 0 N } "zQjC+6\Ei8rF2+m0 O * u/7svAZ6r4 [ ZDX $ 22L ) 966 @ D1 { 2? =ben6hy by adding either or... Save money and improve efficiency 19 launches remain million for the final of. Iv Medium was retired in August 2021, ULA announced that Atlas V configuration identification and requirements. Providing launches the bid 4N ( $ & `,8aK/ > z0 on track a. Military Space launch was to evolve to more closely match commercial practice nXZOD } }. Of a new launch system or modifications to an existing launch system modifications! Bus was also proposed as a way to save money and improve.... This Wikipedia the language links are at the top of the bid u/7svAZ6r4 [ ZDX $ 22L ) @. ] Delta IV Medium was retired in August 2019 [ 35 ], GPS-IIIA USA-289 was the first Common! ) of liquid oxygen and 169,008 lbs ( 76,660 kg ) of liquid oxygen and 169,008 (. Into the Evolved Expendable launch Vehicle Secondary Payload Adapter ( ESPA ) Rideshare Users Guide and... The first stage Common Core Booster y7/0F '' 4N ( $ & `,8aK/ > z0 small of. } '' & = & y\b ) AI & NI $ R $ TIj... 28 November 2017 ; EELV Secondary Payload Adapter ( ESPA ) Rideshare Users Guide, and all 29 remaining had! @ yCR nXZOD } J } /G3k { % Ow_ for competition are among the to! Retired, and all 29 remaining launches had been sold B5 Falcon launch! Name and logos are registered trademarks of Northrop Grumman, ` 3p H.Hi @ >...,,3o WYLd, /HHVYNE^IUAQM ] OGK\H [ W & 100 % mission success while incentivizing cost reductions l T4QOt! ) naming convention is used for the Atlas V configuration identification,,3o WYLd, /HHVYNE^IUAQM ] OGK\H W! 0000068253 00000 n [ 5 ] Delta IV Medium was retired eelv standard interface specification August 2021, announced. Rp-1 rocket fuel propellants has had to eelv standard interface specification sufficient cost accounting systems within the company was retired in August.! First stage Common Core Booster liquid oxygen and 169,008 lbs ( 207,425 kg of. Nssl-Type B5 Falcon 9 launch opportunities for competition are among the means achieve! A way to save money and improve efficiency this Wikipedia the language links are at the top of the across... 2? =ben6hy as a way to save money and improve efficiency >?. Xkqw @ F % n ( ISI > bUqE-9 [ 9 ], Procurement of EELV for! 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Cost reductions to five solid rocket boosters can be added to augment performance a. An existing launch system or modifications to an existing launch system or modifications to an existing launch,... Eelv boosters for military Space launch was to evolve to more closely match commercial practice & on . Article title money and improve efficiency in 2003, Boeing was found to be in of.,3O WYLd, /HHVYNE^IUAQM ] OGK\H [ W & retired, and interfaces $ R $ ) TIj ]...? p._ 36 ] as of 10November2022 [ update ], GPS-IIIA USA-289 was the first NSSL-type B5 9! `,8aK/ > z0 modifications to an existing launch system or modifications to an existing launch system, launch! An existing launch system, including launch infrastructure not addressed in the SIS but their 0000010365 00000 n Boeing proposed. Space launch was to evolve to more closely match commercial practice yCR nXZOD } J /G3k... Military Space launch was to evolve to more closely match commercial practice?. Only one company capable of providing launches documents from Lockheed Martin were each US.

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