eelv standard interface specification

[48], Northrop Grumman was awarded US$792 million of phase 1 funding in 2018 for development of OmegA. 0000001202 00000 n 0 FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK Launch performance can be augmented by adding either two or four solid rocket motors. wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h capability, a standard payload interface, support systems, mission integration (includes mission unique requirements), flight instrumentation and range interfaces, special studies, post-flight data . {!Kd#5:#[T$FhTs;*(Ai((4N|radRbt!BHx2eq(*xiTxa$m|+Id99uLA@(C!#Oro;{N4"#. 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. In 2018, a competitive contract award to launch national security spacecraft was conducted between United Launch Alliance (ULA), Northrop Grumman Innovation Systems (NGIS), Blue Origin, and SpaceX. endstream endobj startxref On this Wikipedia the language links are at the top of the page across from the article title. 6 0 obj >> EELV was important not only to reducing the launch costs of the Department of Defense, but also to the continued world-wide competitiveness of the US commercial launch industry. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf Evolved Expendable Launch Vehicle (EELV) standard interface specification, as well as Falcon 9 and Falcon Heavy. 0000017011 00000 n nG +D,@g%ZKh?RgO>52orjm*R2C}H6m5W0_/om>+pZ}. These load factors, as shown in Table 1, represent a set of accelerations that Abstract. A1vjp zN6p\W pG@ Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. hWn8>(o@N@-l5:l;C8y!e -TPAqPi"`[#=yb#\d8B${t)"1`c]+e2a^H5U`j"q!DqttMo"!e]N>f1/ktOD3G=M/&n y6[)*zN [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. stream 2762 0 obj <> endobj Either a 4m or 5m fairing encapsulates the payload. %PDF-1.6 % 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. stream endstream E6S2)212 "l+&Y4P%\%g|eTI (L 0_&l2E 9r9h xgIbifSb1+MxL0oE%YmhYh~S=zU&AYl/ $ZU m@O l^'lsk.+7o9V;?#I3eEKDd9i,UQ h6'~khu_ }9PIo= C#$n?z}[1 K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! While the anticipated commercial satellite base never materialized, having two different families of launch vehicles, along with multiple launch sites, contributed significantly to the nation's ability to maintain assured access to space. endobj EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification LSP-REQ-317.01B Launch Services Program (LSP) Program Level . endstream endobj startxref [5] Delta IV Medium was retired in August 2019. In October 2018, the USAF awarded development funding to ULA, NGIS, and Blue Origin to further the design of their rockets before a subsequent competition for award to build the launch vehicles. RFP F04701-97-R-0008 19 June 1998 ii This page intentionally left blank. /TT4 11 0 R >> >> 0000000956 00000 n 0000004093 00000 n Of those 106 launches, 57 have been EELV National Security Space launches in support of the Navy, National Reconnaissance Office and the SpaceForce. The launch occurred on December 23, 2018.[40]. The Atlas family of launch vehicles has and continues to be a national workhorse, logging nearly 649 total launches (NSS, civil, and commercial) to date. 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. In addition to manufacturing the launch vehicles, ULA also maintains space launch complexes at Cape Canaveral Air Force Station, Fla, and Vandenberg SpaceForce Base, Calif. @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 endobj << /ProcSet [ /PDF /Text ] /ColorSpace << /Cs1 7 0 R >> /Font << /TT2 9 0 R [13] Boeing and Lockheed Martin were each awarded US$500 million for the final phase of the bid. 19 0 obj Delta IV's inaugural flight was marked by the successful launch of a commercial satellite on a Medium-Plus (4,2) in November 2002. xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ [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. >6?L`a,Epa_> Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. 1. [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. %PDF-1.6 % - The EELV program is a funded U.S. Air Force acquisition program of record that provides space launch services for national security space (NSS) payloads. [38] This launcher features a reusable first stage and fairings, which lowers the cost per mission. ESPA (Secondary Payload Adapter) on EELV (Evolved Expendable Launch Vehicle) configurations a multiple launch system for small satellites used in the STP . The US Space Force (USSF) plans 3034 launches during these five fiscal years. 1320 .3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%YjgGeQn~5f5wugv5k\Nw]m mHFenQQ`hBBQ-[lllfj"^bO%Y}WwvwXbY^]WVa[q`id2JjG{m>PkAmag_DHGGu;776qoC{P38!9-?|gK9w~B:Wt>^rUg9];}}_~imp}]/}.{^=}^?z8hc' #ga-ad {display: none;} 0000076318 00000 n The approach taken in the development of. [50], ULA was awarded $967 million of phase 1 funding for further development of Vulcan as a potential competitor in future contracts. As of 2017, SpaceX is completing this certification process with its Falcon 9 vehicle to also begin providing launch services for NSS missions. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, ( (ZY deZyo|-@#|Fd3C\5t Compliance with Standard Interface Specification (SIS) - Defines the standard interface between the payload and the launch system. A new EELV Acquisition Strategy was approved in November 2011 which recognizes only the Atlas V and Delta IV can currently provide reliable launch services to meet NSS requirements but also seeks to take advantage of the growing potential of additional commercial space launch providers. endobj 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 . In paying ULA for such fixed launch costs and executing the EELV program under a cost-plus contract, the DoD has reimbursed ULA for allowable, reasonable, and allocable costs for its launches, while requiring ULA to reimburse it on a per-launch basis for launches that ULA sells to its non-DoD customers. 1401 0000001699 00000 n 4.0,` 3p H.Hi@A> EELV secondary payload adapter (ESPA) static qualification tests Download PDF. [36] As of 10November2022[update], 19 launches remain. stream The USAF and United States Space Force (USSF) plan to use the next generation NSSL launch vehicles until at least 2030.[31]. a new EELV acquisition strategy in November 2011, revising it in 2013. % 13 0 obj mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. 0000006428 00000 n 0000000016 00000 n 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 . For almost 10 years, the EELV program had only one company capable of providing launches. THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. We encourage you to use one of these browsers for the best experience. [48][47] x[n$ }hIY 7g8@/U}f9MHy^Z^~|^|TWmo<4c5UX|.Gqjs[6oc?y~x,D? O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf The payload interface at each port has been standardized, allowing for hosted and separable payload interchangeability, late payload integration and manifest changes. Boeing initially proposed using the RS-25 Space Shuttle main engine. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. hs2z\nLA"Sdr%,lt endobj As of 2019, the first flight has been stated by NGIS to be expected in 2021. The EELV program's Delta IV and Atlas V launch vehicles are produced by United Launch Alliance (a joint venture of Boeing and Lockheed Martin formed in 2006). [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. The strategy invests in new and/or upgraded commercial launch solutions that also meet National Security Space (NSS) requirements. hb```B ;6hvfa. ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk That includes five engines that ULA currently has in its possession, which are not limited by the sanctions, since they were fully paid for prior to the Russian invasion of Crimea. By 2016 the Air Force was working to introduce competition into the Evolved Expendable Launch Vehicle (EELV) program. Delta IV Payload Planners Guide - October 1999 [17], Prior to 2012, the USAF was advancing another program, the Reusable Booster System and other follow-on technologies, and up to early 2012 issued contract awards for various aspects of it,[18] before the program was cancelled in October 2012. <>stream K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! 0000000016 00000 n hbbd```b`` d#XD % %%EOF EELV effort in 1995 are still manifestsignificant increases in launch costs and concerns over procurement and competition. ULA is expected to handle 60 percent of the launches while SpaceX will handle 40 percent of the launches over the five-year period. National Security Space Launch (NSSL) formerly Evolved Expendable Launch Vehicle (EELV) from 1994 to 2019 is a program of the United States Space Force (USSF) intended to assure access to space for United States Department of Defense and other United States government payloads. LV Mechanical Interface: The standard mounting pattern is a repeatable square grid pattern, independent of . << /Length 16 0 R /Filter /FlateDecode >> The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] The Atlas V provides medium and intermediate lift capability and is evolved from flight-proven Atlas and Titan programs, maximizing flexibility and reliability. However, the Committee was concerned that the Department was focusing too narrowly on its national security requirements and not adequately reflecting the needs of the US commercial space launch industry. xXn8+84 3m s?0d)!#fDQb-U!~$?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 trailer 0000087266 00000 n 0000003910 00000 n endstream << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] 0000135929 00000 n Senator Richard Shelby is from Alabama. Unlike earlier efforts to develop a new generation of space launch vehicles from a "clean sheet of paper," the EELV concept intended to capitalize on proven hardware found in the then current generation of DELTA II, ATLAS II/CENTAUR, and TITAN IV vehicles. The Northrop Grumman name and logos are registered trademarks of Northrop Grumman. 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 As the Air Force's spacelift modernization program, EELV was designed to increase reliability and reduce launch costs by at least 25 percent over heritage Atlas, Delta and Titan space launch systems. 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. 0000058657 00000 n Opportunity which will utilize an Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) or ESPA Grande. The ESPAStar platform uses a customized EELV Secondary Payload Adapter (ESPA) ring as part of its structure and is capable of being launched aboard any launch vehicle that meets the Evolved Expendable Launch Vehicle (EELV) standard interface specification, Falcon 9 and Falcon Heavy. endobj Each of the bids included a variety of concepts. - A final check of specifications will be conducted prior to launch. The Delta IV family is capable of carrying 10,818 kg (23,851 lbs) to geosynchronous transfer orbit, and can lift 21,772 kg (48,000 lbs) to low-Earth orbit. To do so, ULA has had to maintain sufficient cost accounting systems within the company. 2784 0 obj <>stream Blue Origin also filed a pre-award protest of the request for proposal arguing that the requirements were ambiguous. ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). 0000058694 00000 n -2- VwSX$qjDMjdJpIo.|];"P+ S]^M%f{6x57>Z"}}2)p"B1dKwh[h!t!j)L[C@|}TUaH6hFHTFLV^Y#8g3Tx]!y;Tc^>ME|= 9WTsD. ULA has a big factory down in Decatur, Alabama. [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. %PDF-1.3 /TT2 9 0 R /TT6 13 0 R /TT10 17 0 R /TT4 11 0 R >> >> 6;6_.k %%EOF 0000004200 00000 n 6 0 obj The EELV program is in the portfolio of the Program Executive Officer (PEO) for Space at the Space and Missile Systems Center (SMC). 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. [16] Each company has a 50% stake in ULA. [53] The awards in August 2020 are a major part of "the transition of the national security launch program to take advantage of commercial innovation and private investments in launch vehicles."[47]. 0000003146 00000 n [ /ICCBased 12 0 R ] The EELV system includes all equipment, facilities, and launch base infrastructure necessary to launch a payload, place it in the required delivery orbit, provide specified environments, provide. The EELV system included launch vehicles, infrastructure, support systems, and interfaces. 0000015754 00000 n [47] Blue Origin is considered likely to continue building and testing New Glenn, in part since they were already privately funding development prior to the Air Force NSSL competition. trailer <<8D9465B782A042F99BA9A4986B1592D1>]/Prev 881083>> startxref 0 %%EOF 59 0 obj <>stream endobj 678 0 obj <>stream endstream endobj startxref The ELC contract, unlike other payments that the Air Force makes to ULA for launch services, subsidizes costs not directly related to the launch-vehicle hardware, including the depreciation of ULAs launch vehicles and infrastructure. EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. endstream endobj 638 0 obj <>/Metadata 52 0 R/Pages 635 0 R/StructTreeRoot 114 0 R/Type/Catalog>> endobj 639 0 obj <>/MediaBox[0 0 612 792]/Parent 635 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 640 0 obj <>stream ULA stated it did not have any Atlas engines available to bid in order to submit a timely proposal. [47] In 2020, Northrop Grumman announced the cancellation of OmegA. 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl +7^j[Xcm,?p._. This document was produced and is maintained by the Evolved Expendable Launch Vehicle 97 0 obj 2612 >> As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. [14] The USAF moved 7 launches from Delta IV to Atlas V.[15] To end litigation and competition for a limited market, both companies agreed to form the United Launch Alliance (ULA) joint venture. The Evolved Expendable Launch Vehicle (EELV) program is managed by the Launch and Range Systems Directorate of the Space and Missile Systems Center (United States Space Command), Los Angeles Air Force Base, Calif. c0|_}`pz0 cc4D 7\HCj(I?uf eX_0NcRu1wQ9 T'|>H%Z%*.yXSGc 4_GR+[5> (4'XgVZtL aq[aP/}ARI@PAwO8s .i,@Yf6akrCns!Uu* 4?,20-FKDgLuAp4j$hz~ 4 0 obj 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). APL requirements are not addressed in the SIS but their stream SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. 0000010608 00000 n The Governments objectives were to develop Payload Category A, B, and C launch system prototypes, through shared investment with industry partners that will lead to EELV certified launch systems capable of providing launch services for all EELV-class National Security Space (NSS) missions. endobj ' 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]. With multiple launch vehicle configurations and launch sites on both coasts of the U.S., EELV has a proven track record of success, demonstrating unprecedented reliability with 106 successful launches since 2002. startxref 1. The Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) Secondary Payload Planner's Guide is published by the Space Test Program (STP) Office, Space and Missiles System Center, Kirtland . [25][26] The USAF certified the Falcon 9 in May 2015,[27] and in 2016 SpaceX won a contract under the EELV program to launch a GPS Block III satellite payload to MEO. 0000002426 00000 n EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification . 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. RFP F04701-97-R-0008 19 June 1998 ii . Evolved Expendable Launch Vehicle (EELV) standard interface specification. hbbd```b`` D:H3YH22H5,)qS =A&]8 I The second stage is powered by the RL-10B engine. Download PDF. [12] Boeing was awarded a contract for 19 out of the 28 launches; Lockheed Martin was awarded a contract for the other 9. The EELV program is in the portfolio. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l 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. 0 4 The NSSL system includes launch vehicles, launch capability, a standard payload interface, support systems, mission integration (includes mission unique requirements), flight instrumentation and range interfaces . This could include full development of a new launch system or modifications to an existing launch system, including launch infrastructure. The platform is optimized for GEO missions, but is adaptable for LEO and MEO missions. 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. 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. << /ProcSet [ /PDF /Text ] /ColorSpace << /Cs1 7 0 R >> /Font << /TT8 15 0 R 0000001712 00000 n 0000003406 00000 n Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Rideshare Users Guide, and Do-no-harm Requirements Document . endobj This website is best viewed in browsers such as: Edge, Firefox, Chrome, or Safari. 0000002358 00000 n Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. . Paper Session I-A - The Evolved Expendable Launch Vehicle (EELV) Standard Interface Specification For Space Vehicle Accommodations Cape Canaveral, Florida Presentations and demonstrations on a broad spectrum of technology initiatives related to the development and advancement of spaceport and range technology that reduce operations turnaround . << /Length 19 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> 0000005993 00000 n 0000004106 00000 n 0000001979 00000 n [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. 0000461158 00000 n 7 0 obj The EELV program is a funded U.S. Air Force acquisition program of record that provides space launch services for national security space (NSS) payloads. 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