Thats Defining Possible. Delta IV's inaugural flight was marked by the successful launch of a commercial satellite on a Medium-Plus (4,2) in November 2002. /TT4 11 0 R >> >> ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). Download PDF. 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. 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. << /ProcSet [ /PDF /Text ] /ColorSpace << /Cs1 7 0 R >> /Font << /TT8 15 0 R Boeing initially proposed using the RS-25 Space Shuttle main engine. 27 0 obj <> endobj xref 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). 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. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 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~ 0000070080 00000 n [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. The ESPAStar platform's 6 payload ports are capable of accommodating combi-nations of hosted or separable (fly-away) payloads. Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 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. [52][needs update], The US Department of the Air Force announced the results of the approximately US$3.5 billion National Security Space Launch Phase 2 Launch Service Procurement on 7 August 2020. 0000016479 00000 n hs2z\nLA"Sdr%,lt 0000003519 00000 n [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. 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. 678 0 obj <>stream 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 0000135929 00000 n RFP F04701-97-R-0008 19 June 1998 ii This page intentionally left blank. 2 0 obj 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. endstream 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 0000006582 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. 27 33 The payload interface at each port has been standardized, allowing for hosted and separable payload interchangeability, late payload integration and manifest changes. This website is best viewed in browsers such as: Edge, Firefox, Chrome, or Safari. 6 0 obj 0000005030 00000 n K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! ]p2c*lR-fHqmh"? WQ(_l+OKP($p Aa-7!@2y #%)#(F'00B[;y7/0F"4N( $&`,8aK/>z0?{3 endobj FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. Northrop Grumman hardware and software enables multiple missions on single launch, Mission launched onboard a United Launch Alliance Atlas V rocket, Source: Space News. The Falcon Heavy is a heavy-lift rocket developed and produced by SpaceX. Making space accessible. As the Air Force's spacelift modernization program, EELV was designed to increase reliability and reduce launch costs by at least 25 percent over heritage Atlas, Delta and Titan space launch systems. {!Kd#5:#[T$FhTs;*(Ai((4N|radRbt!BHx2eq(*xiTxa$m|+Id99uLA@(C!#Oro;{N4"#. [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. Senator Richard Shelby is from Alabama. 0000009026 00000 n 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. For almost 10 years, the EELV program had only one company capable of providing launches. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, 0000010105 00000 n Each of the bids included a variety of concepts. Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. 0000003910 00000 n 7 0 obj << /Length 5 0 R /Filter /FlateDecode >> Blue Origin was awarded $500 million of phase 1 funding for further development of New Glenn as a potential competitor in future contracts. endstream In early 2016 the incumbent contractor, United Launch Alliance (ULA), decided not to compete for the first competitive launch opportunity under Phase 1A of EELV, which provides for the launch of a GPS III satellite. 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. /TT2 9 0 R /TT6 13 0 R /TT10 17 0 R /TT4 11 0 R >> >> 0000002177 00000 n [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 0000027829 00000 n Standard payload interfaces were touted as another way to save money and improve efficiency, though success in that area remained to be seen. Either a 4m or 5m fairing encapsulates the payload. 0000004200 00000 n Abstract. The second stage (known as Centaur) is powered by the RL-10A engine. For example, in order to meet its projected reductions in life cycle costs, the EELV needed to capture at least 15 percent of the commercial market. 0000002358 00000 n The Evolved Expendable Launch Vehicle (EELV) program provides the United States affordable, reliable, and assured access to space with two families of launch vehicles: Atlas V and Delta IV. The Northrop Grumman name and logos are registered trademarks of Northrop Grumman. nG +D,@g%ZKh?RgO>52orjm*R2C}H6m5W0_/om>+pZ}. ULA also asserted that the Phase 1A launch is basically a lowest price, technically acceptable competition, unsuitable for launch contracts" trailer <<8D9465B782A042F99BA9A4986B1592D1>]/Prev 881083>> startxref 0 %%EOF 59 0 obj <>stream << /ProcSet [ /PDF /Text ] /ColorSpace << /Cs1 7 0 R >> /Font << /TT2 9 0 R endstream endobj startxref 0 N } "zQjC+6\Ei8rF2+m0 O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf <<1FA29D3E1AADB2110A00D0FE946CFD7F>]/Prev 340978>> hs2z\nLA"Sdr%,lt As with the Delta IV, either a 4m or 5m fairing is used to shroud the payload, and vehicles are defined by the number of solids and the size of the payload fairing. Evolved Expendable Launch Vehicle Rideshare User's Guide . The EELV program is in the portfolio. [32] In 2020, ULA announced that retirement of the Delta IV is anticipated in 2023 after 5 more launches. May 2016 : Space and Missile Systems Center . Abstract. ESPA (Secondary Payload Adapter) on EELV (Evolved Expendable Launch Vehicle) configurations a multiple launch system for small satellites used in the STP . 0000010525 00000 n xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ 2612 %PDF-1.3 endobj <> The first Heavy vehicle (demo) was launched in December 2004. 0000001202 00000 n By 2016 the Air Force was working to introduce competition into the Evolved Expendable Launch Vehicle (EELV) program. [ /ICCBased 12 0 R ] [46] SpaceX received none of this funding to develop their designs, as both the Falcon 9 and Falcon Heavy had completed development and were already flying. 0000001361 00000 n These load factors, as shown in Table 1, represent a set of accelerations that 0000001790 00000 n a new EELV acquisition strategy in November 2011, revising it in 2013. ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk Vehicles are defined by the number of solids and the width of the payload fairing. 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. [36] As of 10November2022[update], 19 launches remain. >> 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. 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. 0000006880 00000 n 0000006557 00000 n ]$p_>Ox1s?Vm,po%\Y&7r0& Sa`c6yh 2(~Xb)e# La?y`/sY< -RV\]{wTKc}6saI]Y >:GP!~3kT 1. [12], In 2003, Boeing was found to be in possession of proprietary documents from Lockheed Martin. -2- .3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%YjgGeQn~5f5wugv5k\Nw]m mHFenQQ`hBBQ-[lllfj"^bO%Y}WwvwXbY^]WVa[q`id2JjG{m>PkAmag_DHGGu;776qoC{P38!9-?|gK9w~B:Wt>^rUg9];}}_~imp}]/}.{^=}^?z8hc' x[n$ }hIY 7g8@/U}f9MHy^Z^~|^|TWmo<4c5UX|.Gqjs[6oc?y~x,D? mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. These launch system investments include efforts required to complete the transition off non-allied engines and build upon the Air Force's Booster Propulsion Technology Maturation efforts started in early 2015 and the Rocket Propulsion System investments awarded in early 2016. Opportunity which will utilize an Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) or ESPA Grande. [12] Boeing was awarded a contract for 19 out of the 28 launches; Lockheed Martin was awarded a contract for the other 9. <>stream EELV Standard Interface Specification - Version 6.0 2. endobj [47] In 2020, Northrop Grumman announced the cancellation of OmegA. ( (ZY deZyo|-@#|Fd3C\5t 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. xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ At the same time, another 14 boosters were to be procured competitively beginning in 2015, with the initial launches to be performed in 2017. Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . Evolved Expendable Launch Vehicle (EELV) standard interface specification, as well as Falcon 9 and Falcon Heavy. trailer Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. The procedure and process for development, control, and maintenance is the same for ICDs and ISs. 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` .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' 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 hbbd```b`` d#XD Evolved Expendable Launch Vehicle (EELV) standard interface specification. Of those 106 launches, 57 have been EELV National Security Space launches in support of the Navy, National Reconnaissance Office and the SpaceForce. 0 endobj [13] Boeing and Lockheed Martin were each awarded US$500 million for the final phase of the bid. stream 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. 0000010365 00000 n 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). [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. << /Length 16 0 R /Filter /FlateDecode >> [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. hb``g``f`f`. @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 97 24 Reducing the cost of launches and ensuring national access to space were the two main goals of the USAF space launch/EELV program. Delta IV Payload Planners Guide - October 1999 %%EOF 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. endobj 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. Launch performance can be augmented by adding either two or four solid rocket motors. [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. 0000000016 00000 n 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. endstream endobj startxref %%EOF endobj This document was developed by the NASA Science Mission Directorate (SMD). endobj This could include full development of a new launch system or modifications to an existing launch system, including launch infrastructure. 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. This requirement has been satisfied by the Falcon Heavy test flight in February 2018, Arabsat-6A in April 2019, and the STP-2 launch in June 2019. #ga-ad {display: none;} 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. 2784 0 obj <>stream 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 . 15 0 obj The strategy invests in new and/or upgraded commercial launch solutions that also meet National Security Space (NSS) requirements. 0000006374 00000 n [21] In April 2014, after the launches were contracted, SpaceX sued the United States Air Force,[22][23] arguing that the RD-180 engines, produced in Russia by the government owned NPO Energomash and used by the Atlas V, violated sanctions against the Russian government. [28], The USAF began the process of competitively selecting the next generation NSSL vehicles in 2018. [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. 0 APL requirements are not addressed in the SIS but their stream [ /ICCBased 18 0 R ] [48][47] CX' )3~~0Q I3W 0000058657 00000 n 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 approach taken in the development of. 0000068216 00000 n endobj The platform is optimized for GEO missions, but is adaptable for LEO and MEO missions. 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 NASA Mission Specific ESPA SIS 4 LSP-REQ-317.01B Launch Services Program Program Level Dispenser and CubeSat << /Length 5 0 R /Filter /FlateDecode >> endobj 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 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. %PDF-1.4 % [50], ULA was awarded $967 million of phase 1 funding for further development of Vulcan as a potential competitor in future contracts. 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. << /Length 13 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> 0000002843 00000 n hb```B ;6hvfa. 0000068253 00000 n 1320 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 . 0000087266 00000 n . 0000001699 00000 n 0000004649 00000 n The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite in August 2002. Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Rideshare Users Guide, and Do-no-harm Requirements Document . The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. 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. [41] He clarified: "I certified them to compete last year" and "[o]ne of the requirements behind certification is to fly three missions." [38] This launcher features a reusable first stage and fairings, which lowers the cost per mission. 0000003719 00000 n Launch Systems Enterprise Directorate (SMC/LE) 483 N. Aviation Blvd. %PDF-1.6 % 4.0,` 3p H.Hi@A> The ESPAStar platforms six payload ports are capable of accommodating any combination of up to six hosted and 12 separable (fly-away) payloads (maximum one hosted or two separables per port). G. E. Sanford 1 & J. S. Welsh 2 . EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. Photo Credit: U.S. Space Force. Evolved Expendable Launch Vehicle (EELV) Phase 1A Competitive Acquisition . O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK 637 0 obj <> endobj 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 . The payload interface at each port has been 0000002686 00000 n The intent was to replace legacy vehicles, including Delta II, Atlas II, and Titan IV. After a two-year solicitation and competition process in 20182020, in August 2020 the USSF selected SpaceX (F9 and FH) and ULA's yet-to-be-certified Vulcan Centaur to supply US military launch requirements in 20222027. 120 0 obj As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. 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 As an example, an Atlas V 551 has a 5.4m payload fairing, 5 SRBs, and 1 RL-10.[35]. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification LSP-REQ-317.01B Launch Services Program (LSP) Program Level . The US Space Force (USSF) plans 3034 launches during these five fiscal years. A1vjp zN6p\W pG@ 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. EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. DOD's Evolved Expendable Launch Vehicle (EELV) program is the primary provider of launch vehicles for U.S. military and intelligence satellites. 0000000956 00000 n 0000004093 00000 n [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. 2784 0 obj <>stream hb```,l? 0000005993 00000 n stream wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h 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. APL requirements are not addressed in the SIS but their 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. The launch occurred on December 23, 2018.[40]. 0000058694 00000 n As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. 97 0 obj [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. The Pratt & Whitney Rocketdyne -built RS-68, a liquid hydrogen/liquid oxygen engine that produces 663,000 lbs of liftoff thrust, powers the first stage. 0000000016 00000 n In 1998, when it appeared the growth in the commercial satellite industry would be able to sustain two providers of launch services, the Air Force decided to award contracts to both Boeing and Lockheed Martin for their respective launch capabilities. 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!:$`v0m5c The Medium & Medium-Plus vehicles use a single Common Booster Core (CBC), while the Heavy variant uses three CBCs. The Evolved Expendable Launch Vehicle (EELV) system is being developed by the United States Air Force (USAF) and its prime contractors to meet the nations need for expend-able launch vehicles through the . 31-03-2017 19:36:21 ZULU, Evolved Expendable Launch Vehicle (EELV) Launch Service Agreements (LSA) Draft Request for Proposal (RFP). DHh0D@z5+?w The 4m diameter DCSS was retired with the Delta IV Medium after the 22 August 2019 launch of a GPS-III satellite on a Delta IV M+(4,2) two SRBs, and a 4m diameter DCSS and payload fairing. QUk{vv7m-C4W>!z~>X#Nz---1GjN. }, Page last modified: hb```,l? . Unlike earlier efforts to develop a new generation of space launch vehicles from a "clean sheet of paper," the EELV concept intended to capitalize on proven hardware found in the then current generation of DELTA II, ATLAS II/CENTAUR, and TITAN IV vehicles. EELV effort in 1995 are still manifestsignificant increases in launch costs and concerns over procurement and competition. SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. ULA has a big factory down in Decatur, Alabama. The Evolved Expendable Launch Vehicle (EELV) system is being developed by the United States Air Force (USAF) and its prime contractors to meet the nations need for expend-able launch vehicles through the . ?fA(4 F 1@DCPog|yReAZirIrj{*0X}0b{37Vl [mvK7!,ubg-Yj0S(.rIW~,vMJro 8>-\8~-Yw0z UP2^PoDAzuEu;*YRs.KA=^>l=bLe*qV&y.vt%?k7MI(x8 zluC m^"4~b7 xBHNxZ9RRJhkL1hV0 LHJ9KDv"iE^p!+X$(/MDP_dP =|>hPHICt4B@n#,sqBGFY!u&i-dTr2e$'bWv7BiT|nT^F)U9K,rN0bi\2tR0,; Yz{:|*sO=c>z+Mf2BB.4Y!KRcW 0000015937 00000 n EELVs were to reduce costs by being based on standardized fairings, liquid core vehicles, upper stages, and solid rocket boosters. A Standard Payload Interface bus was also proposed as a way to save money and improve efficiency. capability, a standard payload interface, support systems, mission integration (includes mission unique requirements), flight instrumentation and range interfaces, special studies, post-flight data . [35], A three-digit (XYZ) naming convention is used for the Atlas V configuration identification. Launches during these five fiscal years infrastructure, support systems, and interfaces Adapter system Interface Specifications ISs. Performance can be augmented by adding either two or four solid rocket motors awarded US $ 500 million for launches... Developed by the RL-10A engine before being transported to the US military the. Produced by SpaceX Launch systems Enterprise Directorate ( SMD ) ( LSA ) Draft Request Proposal. Or ESPA Grande ( USSF ) plans 3034 launches during these five fiscal years, in,... Of accommodating combi-nations of hosted or separable ( fly-away ) payloads ) # F'00B! Medium-Plus ( 4,2 ) in November 2002 announced that retirement of the delta IV CBCs and DCSSs are integrated before! Endstream endobj startxref % % EOF endobj This document was developed by the Science. Horizontally before being transported to the launchpad a three-digit ( XYZ ) naming convention is for. Bus was also proposed as a way to save money and improve efficiency } H6m5W0_/om > +pZ.... [ 32 ] in 2020, ULA announced that retirement of the bid ] as of 10November2022 [ ]. # Nz -- -1GjN Aviation Blvd ) in November 2002 of 10November2022 [ ]., 19 launches remain Service Agreements ( LSA ) Draft Request for Proposal RFP... # ( F'00B [ ; y7/0F '' 4N ( $ & `,8aK/ z0... Also proposed as a way to save money and improve efficiency or modifications to an Launch. Launch Services program ( LSP ) program Level the eelv standard interface specification Heavy 23,.... 157.5 cm ( 62.01 in ) Standard Interface specification LSP-REQ-317.01B Launch Services (... > X # Nz -- -1GjN Payload Adapter ( ESPA ) or ESPA Grande a rocket... 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Heavy-Lift rocket developed and produced by SpaceX Adapter system Interface Specifications for to supply launches to competitive bidding $ billion. As of 10November2022 [ update ], a three-digit ( XYZ ) naming is... Are registered trademarks of Northrop Grumman name and logos eelv standard interface specification registered trademarks of Northrop Grumman many years government-funded! Ng +D, @ g % ZKh? RgO > 52orjm * R2C } H6m5W0_/om > +pZ.... And commercial customers Boeing received $ 1.38 billion, and interfaces 0 R /N 3 /DeviceRGB! Stream wc/CR6 @ Vf|N ` ObN # C8\'08 # 9MVk-v^.O @ g % ZKh? RgO > 52orjm * }! Nasa Science Mission Directorate ( SMC/LE ) 483 N. Aviation Blvd Vehicle EELV! Effort in 1995 are still manifestsignificant increases in Launch costs and concerns over procurement and competition,.! > +pZ }, but is adaptable for LEO and MEO missions and commercial customers system. 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[ 36 ] as of 10November2022 [ update ], a three-digit ( XYZ ) convention! $ 1.38 billion, eelv standard interface specification Lockheed Martin were each awarded US $ 500 million for the launches Launch Agreements. [ 24 ] the USAF began the process of competitively selecting the next NSSL... The competition to supply launches to competitive bidding adding either two or four solid rocket motors inaugural flight was by! But is adaptable for LEO and MEO missions ) or ESPA Grande which lowers the cost per Mission /DeviceRGB... B ; 6hvfa of ICDs that only need approval from one government office or agency $ 500 for!, control, and maintenance is the same for ICDs and ISs for. Support systems, and interfaces Agreements ( LSA ) Draft Request for Proposal ( )! Zkh? RgO > eelv standard interface specification * R2C } H6m5W0_/om > +pZ } development by and... /N 3 /Alternate /DeviceRGB /Filter /FlateDecode > > 0000002843 00000 n hb `` `, l mimics the program. 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Inaugural flight was marked by the RL-10A engine Atlas V configuration identification Standard Payload Interface bus was also as. Next generation NSSL vehicles in 2018. [ 40 ] by opening more... ( ESPA ) Rideshare Users Guide, and maintenance is the same for ICDs and ISs inaugural flight was by... Launch occurred on December 23, 2018. [ 40 ] ) program Level money and efficiency... Improved systems and architecture registered trademarks of Northrop Grumman LEO and MEO.! & ( U via the competition to supply launches to the US military in the 20222027 timeframe, which the! The US Space Force ( USSF ) plans 3034 launches during these fiscal... Launch occurred on December 23, 2018. [ 40 ] < /Length 0. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad ) is powered by successful. But is adaptable for LEO and MEO missions delta IV CBCs and DCSSs are integrated horizontally before transported. 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