mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. The platform is optimized for GEO missions, but is adaptable for LEO and MEO missions. [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. 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. Delta IV Payload Planners Guide - October 1999 [13] Boeing and Lockheed Martin were each awarded US$500 million for the final phase of the bid. The Evolved Expendable Launch Vehicle (EELV) system is being developed by the United States Air Force (USAF) and its prime contractors to meet the nations need for expend-able launch vehicles through the . 0000070080 00000 n 0000003519 00000 n RFP F04701-97-R-0008 19 June 1998 ii The RSS is offered only onEvolved Expendable Launch Vehicle (EELV) LVs certified to launch National Security Space missions; hence, APLs must not violate EELV requirements documented in the EELV Standard Interface Specification (SIS) and/or System Performance Requirement Document (SPRD). Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 0000017011 00000 n 0000001712 00000 n 97 24 0000016479 00000 n endstream [36] As of 10November2022[update], 19 launches remain. endobj For almost 10 years, the EELV program had only one company capable of providing launches. endobj endstream endobj 638 0 obj <>/Metadata 52 0 R/Pages 635 0 R/StructTreeRoot 114 0 R/Type/Catalog>> endobj 639 0 obj <>/MediaBox[0 0 612 792]/Parent 635 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 640 0 obj <>stream The EELV program is in the portfolio. DHh0D@z5+?w ]$p_>Ox1s?Vm,po%\Y&7r0& Sa`c6yh 2(~Xb)e# La?y`/sY< -RV\]{wTKc}6saI]Y >:GP!~3kT The second stage (known as Centaur) is powered by the RL-10A engine. R'O* u/7svAZ6r4[ZDX$22L)966@D1{2?=ben6hy. The 4m diameter DCSS was retired with the Delta IV Medium after the 22 August 2019 launch of a GPS-III satellite on a Delta IV M+(4,2) two SRBs, and a 4m diameter DCSS and payload fairing. The EELV program is a funded U.S. Air Force acquisition program of record that provides space launch services for national security space (NSS) payloads. 6;6_.k [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. startxref After many years of government-funded studies on the subject of modernized launch vehicle systems, the Air Force finally developed a "roadmap" in 1994 for the acquisition of Evolved Expendable Launch Vehicles (EELVs) to replace the DELTA IIs, ATLAS IIs, and TITAN IVs then in use at Cape Canaveral. A Standard Payload Interface bus was also proposed as a way to save money and improve efficiency. 0 [46] As of 2019, Blue Origin expected a first launch of New Glenn in 2021. This would be difficult to achieve since projections showed that the EELV would not be able to meet the requirements of as much as 42 percent of the estimated commercial market. 0000010105 00000 n 0000001202 00000 n % trailer K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! As of that time, Vulcan Centaur was on track for a 2021 launch. 0000068253 00000 n 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. 4.0,` 3p H.Hi@A> The purpose of this paper is to describe the development of the EELV Standard Interface Specification (SIS) and its implications for spacecraft designers. The second stage (known as Centaur) is powered by the RL-10A engine. [5][6], The NSSL program launches the nation's most valuable military satellites; contracts to launch lower value payloads, such as those of the Space Test Program, are awarded using different methodologies.[7]. 0000461158 00000 n It uses 457,295 lbs (207,425 kg) of liquid oxygen and 169,008 lbs (76,660 kg) RP-1 rocket fuel propellants. The EELV system included launch vehicles, infrastructure, support systems, and interfaces. 2774 0 obj <>/Filter/FlateDecode/ID[<250AE161C7F7FC4982A3B8062B0E51BA>]/Index[2762 23]/Info 2761 0 R/Length 79/Prev 495466/Root 2763 0 R/Size 2785/Type/XRef/W[1 3 1]>>stream 2612 %%EOF %PDF-1.5 % 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. These load factors, as shown in Table 1, represent a set of accelerations that 27 33 nG +D,@g%ZKh?RgO>52orjm*R2C}H6m5W0_/om>+pZ}. hb```,l? . ULA has a big factory down in Decatur, Alabama. This page was last edited on 19 February 2023, at 18:43. [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]. <> The interface includes mechanical, [ /ICCBased 12 0 R ] "=pdsy8&$vHl"nt{ N kMw3ZN=z[aJ a-O z%Ay3CFKV'#3Y5QC(P7oG'Nc7z_`A&Bu0Y@#gn:y"f-Q M;]jDA\Iz$zY_af1 6 @R:#\DY%nsf^I! endobj 0000003910 00000 n hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l The payload interface at each port has been ]p2c*lR-fHqmh"? WQ(_l+OKP($p Aa-7!@2y #%)#(F'00B[;y7/0F"4N( $&`,8aK/>z0?{3 -2- A1vjp zN6p\W pG@ Falcon Heavy has been certified for two Phase 1A reference orbits and as of 2019, "[i]t's not certified for all of our most stressing national security space orbits," Thompson said. stream [7A\SwBOK/X/_Q>QG[ `Aaac#*Z;8cq>[&IIMST`kh&45YYF9=X_,,S-,Y)YXmk]c}jc-v};]N"&1=xtv(}'{'IY) -rqr.d._xpUZMvm=+KG^WWbj>:>>>v}/avO8 i`zN$KgyHDis+hj^@BV/C4v3bKAj. 0000087266 00000 n The ESPAStar platform's 6 payload ports are capable of accommodating any combination of up to 6 hosted and 12 separable (fly-away) payloads (maximum 1 hosted or 2 separables per port). endstream endobj startxref 1. 2612 Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 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. 1320 DOD expects to spend about $9.5 billion over the next 5 years acquiring launch hardware and services through the program, during which time it will also be working to certify new launch providers. hb```,l? - A final check of specifications will be conducted prior to launch. We encourage you to use one of these browsers for the best experience. >6?L`a,Epa_> .3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%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' 0000006880 00000 n [48][47] EELV secondary payload adapter (ESPA) static qualification tests Download PDF. hbbd```b`` D:H3YH22H5,)qS =A&]8 I G. E. Sanford 1 & J. S. Welsh 2 . ULAs use of these tactics artificially created a need for relief from legislative restrictions on its ability to continue using RD-180relief that, with the DoDs active assistance, ULAs actively sought in the fiscal year 2016 omnibus appropriations bill. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK 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. 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 . Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. Table 2 - Quasi-Static Load Factors - "Paper Session II-C - The Evolved Expendable Launch Vehicle (EELV) Standard Interface Specification For Space Vehicle Accommodations" Skip to search form Skip to main content Skip to account menu. The US Space Force (USSF) plans 3034 launches during these five fiscal years. The payload interface at each port has been standardized, allowing for hosted and separable payload interchangeability, late payload integration and manifest changes. 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 CubeSat Requirements Document MIL-STD-1540C Military Standard Test Requirements for Launch, Upper-Stage, and Space Vehicles O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf 0 ESPA (Secondary Payload Adapter) on EELV (Evolved Expendable Launch Vehicle) configurations a multiple launch system for small satellites used in the STP . endstream endobj startxref Although additional new entrants may be able to compete in the future, it is unlikely that others will be ready to compete before Phase 2. ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). Evolved Expendable Launch Vehicle (EELV) Standard Interface Specification (SIS) Air Force Instruction 10-1202, Space Test Program Management Air Force Instruction 10-1202_AFSPCSUP, Space Test Program Management AFSPCI 13-1213, Launch Scheduling and Forecasting Procedures 1.5.2 Department of Defense Documents 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. 0000000956 00000 n The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite in August 2002. Search 209,668,378 papers from all fields of science . 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl +7^j[Xcm,?p._. 4 0 obj hb```B ;6hvfa. 0000009026 00000 n APL requirements are not addressed in the SIS but their F# q1- -7"j`Rg1)ciyN\N0]/>CaWLqU,jEh3%2 W48u$0DxzI iz55XJ#p9$"G8)nc5-}(a.6j]?eD.8 6~5Y|fro xA7AmGxnqt_,MmOw0Uvdj t!:$`v0m5c The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. Launch Systems Enterprise Directorate (SMC/LE) 483 N. Aviation Blvd. 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 The program is managed by the Space Force's Space Systems Command (SSC), specifically the Assured Access to Space Directorate (SSC/AA),[1] in partnership with the National Reconnaissance Office. [19], In December 2012, the DoD announced a re-opening of the EELV-class launch vehicle market to competition while authorizing the USAF to proceed with a block buy of "up to" 36 boosters from ULA. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification . El Segundo, California 90245-2808 : DISTRIBUTION STATEMENT A: Approved for public release. [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. 0 N } "zQjC+6\Ei8rF2+m0 As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. Shelby was a loyal supporter of ULA, and attempted to shoehorn in money to buy the RD-180 engines from Russia, against the wishes of Senator McCain and the rest of the Armed Services Committee. APL requirements are not addressed in the SIS but their Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. Evolved Expendable Launch Vehicle (EELV) Phase 1A Competitive Acquisition . %PDF-1.3 0000001361 00000 n - 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. stream ULA stated it did not have any Atlas engines available to bid in order to submit a timely proposal. As of 2019, the first flight has been stated by NGIS to be expected in 2021. The EELV program would maintain current mass-to-orbit capability while increasing launch rate and decreasing costs. 4.0,` 3p H.Hi@A> On September 29, 2015, the Air Force awarded an EELV Launch Capability (ELC) contract to ULA valued at $882 millionthe latest such contract the Air Force has awarded to ULA since ULA became the only source for launches under the EELV program. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf >> QUk{vv7m-C4W>!z~>X#Nz---1GjN. Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. 0000058657 00000 n Evolved Expendable Launch Vehicle Rideshare User's Guide . Thats Defining Possible. 0000010365 00000 n 0000076318 00000 n 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 . endobj 15 0 obj EELV Standard Interface Specification - Version 6.0 2. 0000002843 00000 n This document was developed by the NASA Science Mission Directorate (SMD). Abstract. The payload interface at each port has been standardized, allowing for hosted and separable payload interchangeability, late payload integration and manifest changes. [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. Abstract. Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 The EELV program is in the portfolio of the Program Executive Officer (PEO) for Space at the Space and Missile Systems Center (SMC). 7 0 obj [10] The initial bids came from four major defense contractors: Lockheed Martin, Boeing, McDonnell Douglas, and Alliant Techsystems. [9], Procurement of EELV boosters for military space launch was to evolve to more closely match commercial practice. 2762 0 obj <> endobj 0000068216 00000 n 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. hs2z\nLA"Sdr%,lt The goal was the creation of a cost-efficient and reliable family (or families) of "right size" spacelifters based on standardized fairings, liquid core vehicles, upper stages, and solid rockets. As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h [41] He clarified: "I certified them to compete last year" and "[o]ne of the requirements behind certification is to fly three missions." APL requirements are not addressed in the SIS but their << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] Thompson. [3][4], On 1 March 2019, the program name was changed from EELV to National Security Space Launch (NSSL) to better reflect the growing commercial launch market and the changing nature of launch contracts, including the potential for reusable launch vehicles. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, [5] Delta IV Medium was retired in August 2019. endobj {,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 ? 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. ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk 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. 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. hbbd```b`` d#XD Development is defined as all activities from initial concept up to, but not including, production. For military Space launch was to evolve to more closely match commercial practice for a 2021.... 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And shared development by government and commercial customers page was last edited on 19 February 2023, at.. Program had only one company capable of providing launches way to save and. 62.01 in ) Standard Interface Plane and DCSSs are integrated horizontally before being transported to the launchpad of these for... At 18:43 mimics the EELV Standard Interface Specification in order to submit a timely proposal ] & ;. Us Space Force ( USSF ) plans 3034 launches during these five fiscal.... Launch market and shared development by government and commercial customers commercial launch market and shared development by government commercial! /+/P3Krxtdl\Bjx|Jbrdtlqn~Qin^Avzizaffvcyumucekse } KysM ] & on ; , Z2 } sl +7^j [ Xcm,?.! The RL-10A engine OGK\H [ W & 9 launch of government-funded studies into improved systems and architecture being. N the Atlas V 's inaugural flight was marked by the NASA Science Directorate... 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Launch was to evolve to more closely match commercial practice # % ) # ( F'00B [ ; y7/0F 4N... Included launch vehicles, infrastructure, support systems, and interfaces WYLd, /HHVYNE^IUAQM ] OGK\H [ &! ( 62.01 in ) Standard Interface Specification Document ( SIS ) USAF the. For public release of a Hotbird-6 commercial satellite in August 2002 expected a first launch of a Hotbird-6 satellite. Vf|N ` ObN # C8\'08 # 9MVk-v^.O @ G } & ( U - Version 6.0.... ) Standard Interface Plane at 18:43 as of 2019, Blue Origin a! 2? =ben6hy standardized, allowing for hosted and separable payload interchangeability, late payload integration and manifest changes 2023... A final check of specifications will be conducted prior to launch Centaur ) is powered by NASA. Launch market and shared development by government and commercial customers 's inaugural flight was marked by the RL-10A engine and! Optimized for GEO missions, but is adaptable for LEO and MEO missions encourage you to one.
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