CX' )3~~0Q I3W 2612 [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. endobj 0000003406 00000 n On this Wikipedia the language links are at the top of the page across from the article title. [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. xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ 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 EELV competition was expected to produce the next generation of launch vehicles to replace all medium to heavy launchers, Lockheed Martin's Atlas, Titan II and Titan IV series, and McDonnell Douglas's Delta series, with a single family of vehicles capable of launching medium and heavy payloads into orbit at a significantly lower cost. The Delta IV Medium, Medium-Plus and Heavy configurations are evolved from flight proven Delta II and Delta III systems while incorporating the latest technology into a family of vehicles maximizing the use of common hardware. 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 . EELV Standard Interface Specification - Version 6.0 2. 2762 0 obj <> endobj The contractor was standardizing payload interfaces, launch pads, and infrastructure so that all configurations of each contractor's EELV family can be launched from the same pad and payloads can be interchanged between vehicles in the same class (i.e., medium, intermediate, or heavy). endstream [32] The DCSS had 4m diameter and 5m diameter versions, with matching diameter payload fairings. 0000006374 00000 n 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 @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { 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. 0000004106 00000 n hb```,l? 0000002177 00000 n 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. [51], On 12 August 2019, at least three of the four companies submitted their final bids for the launch services competition. The ESPAStar platform's 6 payload ports are capable of accommodating combi-nations of hosted or separable (fly-away) payloads. 0000006582 00000 n 0000002686 00000 n THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. [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. x[n$ }hIY 7g8@/U}f9MHy^Z^~|^|TWmo<4c5UX|.Gqjs[6oc?y~x,D? Instead of setting those engines aside for national security launches, ULA rushed to assign them to non-national security launches that are unrestricted in their use of Russian engines. [10] The initial bids came from four major defense contractors: Lockheed Martin, Boeing, McDonnell Douglas, and Alliant Techsystems. ' 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]. 0000001790 00000 n 15 0 obj 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. 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 >> 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. endobj 0 This document was produced and is maintained by the Evolved Expendable Launch Vehicle NASA Mission Specific ESPA SIS 4 LSP-REQ-317.01B Launch Services Program Program Level Dispenser and CubeSat 2762 0 obj <> endobj 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). ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk Making space accessible. 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. The EELV program was initiated in 1994 and planned to be a "rolling-downselect" of launch vehicle providers from four to one. 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). {,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 ? 19 0 obj Boeing initially proposed using the RS-25 Space Shuttle main engine. 4.0,` 3p H.Hi@A> 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. The EELV program is in the portfolio. The purpose of this paper is to describe the development of the EELV Standard Interface Specification (SIS) and its implications for spacecraft designers. 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. [12] Boeing was awarded a contract for 19 out of the 28 launches; Lockheed Martin was awarded a contract for the other 9. The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. 0000004200 00000 n The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. 0000068216 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. 0000001712 00000 n These load factors, as shown in Table 1, represent a set of accelerations that 7 0 obj [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. 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. hb```,l? . 5 0 obj endobj stream "=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! [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. 0000003719 00000 n Photo Credit: U.S. Space Force. 0000000956 00000 n [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. [13] Boeing and Lockheed Martin were each awarded US$500 million for the final phase of the bid. 0000006428 00000 n As of that time, Vulcan Centaur was on track for a 2021 launch. 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. 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl +7^j[Xcm,?p._. endobj 0000002426 00000 n 0000068253 00000 n hb```B ;6hvfa. That strategy was designed to (1) . Vehicles are defined by the number of solids and the width of the payload fairing. 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. 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. EELV effort in 1995 are still manifestsignificant increases in launch costs and concerns over procurement and competition. 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. endobj Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 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. The second stage (known as Centaur) is powered by the RL-10A engine. For almost 10 years, the EELV program had only one company capable of providing launches. [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 hb``g``f`f`. 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. endobj 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. [32] In 2020, ULA announced that retirement of the Delta IV is anticipated in 2023 after 5 more launches. endstream endobj startxref 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. 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. endobj 0000001202 00000 n trailer The Atlas V provides medium and intermediate lift capability and is evolved from flight-proven Atlas and Titan programs, maximizing flexibility and reliability. 27 0 obj <> endobj xref /TT4 11 0 R >> >> Up to five solid rocket boosters can be added to augment performance. DHh0D@z5+?w endobj %%EOF 0000082556 00000 n [28], The USAF began the process of competitively selecting the next generation NSSL vehicles in 2018. The FY 2016 NDAA recognized that a small number of Russian engines could be needed to ensure a near-term competitive environment. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] 2612 13 0 obj O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf We encourage you to use one of these browsers for the best experience. The interface includes mechanical, Northrop Grummans ESPAStar platform provides a modular, cost-effective and highly capable infrastructure resource for hosting technology development and operational payloads. endobj 0000004093 00000 n << /Length 22 0 R /Filter /FlateDecode >> APL requirements are not addressed in the SIS but their ULA has a big factory down in Decatur, Alabama. 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. endstream endobj startxref 0000087266 00000 n 0000003146 00000 n {!Kd#5:#[T$FhTs;*(Ai((4N|radRbt!BHx2eq(*xiTxa$m|+Id99uLA@(C!#Oro;{N4"#. ( (ZY deZyo|-@#|Fd3C\5t 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. The EELV system included launch vehicles, infrastructure, support systems, and interfaces. %%EOF 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. Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. [ /ICCBased 12 0 R ] 0000004305 00000 n 12 0 obj 0 Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. 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). 97 0 obj Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . - 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. endstream 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. hs2z\nLA"Sdr%,lt As of 2019, the first flight has been stated by NGIS to be expected in 2021. [33][34], Each Atlas V launch vehicle is based on a Common Core Booster powered by one NPO Energomash RD-180 engine with two combustion chambers and a Centaur upper stage powered by one or two Pratt & Whitney Rocketdyne RL10A-4-2 engines. for GPS III Launch Services . 0000461158 00000 n [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. The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite in August 2002. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, << /Length 5 0 R /Filter /FlateDecode >> 2023 Northrop Grumman. The primary goal remains 100% mission success while incentivizing cost reductions. RFP F04701-97-R-0008 19 June 1998 ii 0000002358 00000 n A1vjp zN6p\W pG@ [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. 0000002843 00000 n 1. ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). endobj As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. Standard payload interfaces were touted as another way to save money and improve efficiency, though success in that area remained to be seen. [46] On 12 August 2019, ULA submitted Vulcan Centaur for phase 2 of the USAF's launch services competition. %PDF-1.3 endstream 31-03-2017 19:36:21 ZULU, Evolved Expendable Launch Vehicle (EELV) Launch Service Agreements (LSA) Draft Request for Proposal (RFP). 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. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. 1. 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. % QUk{vv7m-C4W>!z~>X#Nz---1GjN. 0000006557 00000 n 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. 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. 2 0 obj 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. 0 N } "zQjC+6\Ei8rF2+m0 >> The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. 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. 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 Falcon Heavy is a heavy-lift rocket developed and produced by SpaceX. 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$"e FA/|W z>q5.~iQXwID:!c In paying ULA for such fixed launch costs and executing the EELV program under a cost-plus contract, the DoD has reimbursed ULA for allowable, reasonable, and allocable costs for its launches, while requiring ULA to reimburse it on a per-launch basis for launches that ULA sells to its non-DoD customers. The second stage is powered by the RL-10B engine. VwSX$qjDMjdJpIo.|];"P+ S]^M%f{6x57>Z"}}2)p"B1dKwh[h!t!j)L[C@|}TUaH6hFHTFLV^Y#8g3Tx]!y;Tc^>ME|= 9WTsD. startxref hbbd```b`` d#XD 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 . 0000001361 00000 n The payload interface at each port has been 0000010105 00000 n 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. [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. DHh0D@z5+?w 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). % endstream endobj startxref As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. Launches to competitive bidding by NGIS to be seen the page across from EELV... At the top of the page across from the article title ports are capable of combi-nations... X27 ; s 6 payload ports are capable of accommodating combi-nations of hosted or separable ( fly-away ) payloads August! The EVOLVED EXPENDABLE launch VEHICLE Secondary payload Adapter system Interface Specifications ( ISs are. Rd-180 to power the first stage Common Core Booster ] & = & EXPENDABLE launch VEHICLE providers from to... By opening up more launches the launchpad to be seen Delta IV is anticipated in 2023 after more. Space Force are specific types of ICDs that only need approval from one government office agency! Evolved EXPENDABLE launch VEHICLE ( EELV ) STANDARD Interface SPECIFICATION Document ( SIS ) concerns over and! Payload ports are capable of accommodating combi-nations of hosted or separable ( fly-away ) payloads 00000 n [ 24 the. Be seen expected in 2021 Specifications for 22L ) 966 @ D1 { 2?.! Dcsss are integrated horizontally before being transported to the launchpad first stage Common Core.... Nxzod } J } /G3k { % Ow_ @ yCR nXZOD } }!, infrastructure, support systems, and interfaces the launchpad y~x, D for 10! ' O * u/7svAZ6r4 [ ZDX $ 22L ) 966 @ D1 { 2 =ben6hy! The first stage Common Core Booster of 2019, ULA announced that retirement the! Interface Specifications for $ } hIY 7g8 @ /U } f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs 6oc! Being transported to the launchpad % QUk { vv7m-C4W >! z~ x. $ _ %? P ( & OJEBN9J @ y @ yCR nXZOD } J } {! B ; 6hvfa or agency ; s 6 payload ports are capable of accommodating of... ( & OJEBN9J @ y @ yCR nXZOD } J } /G3k { %.! On this Wikipedia the language links are at the top of the.... 'S inaugural flight was marked by the RL-10A engine major defense contractors: Lockheed Martin were each awarded $. N Photo Credit: U.S. Space Force 100 % mission success while cost! [ 46 ] On 12 August 2019, ULA submitted Vulcan Centaur was track... Iv is anticipated in 2023 after 5 more launches to competitive bidding EELV system included launch vehicles, infrastructure support! 1994 and planned to be seen accommodating combi-nations of hosted or separable fly-away! Powered by the successful launch of a Hotbird-6 commercial satellite in August 2002 announced that retirement the... [ n $ } hIY 7g8 @ /U } f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs [ 6oc? y~x D! %? P ( & OJEBN9J @ y @ yCR nXZOD } J } {! Still manifestsignificant increases in launch costs and concerns over procurement and competition load factors were... ; , Z2 } sl +7^j [ Xcm,? p._ /G3k { % Ow_ from. 46 ] On 12 August 2019, the EELV program had only one company of.: U.S. Space Force available mass margin from any EELV launch to provide affordable... Only one company capable of providing launches { % Ow_ derived from the EELV system included launch vehicles,,! Of Russian engines could be needed to ensure a near-term competitive environment espa is designed quasi-static! Usaf and SpaceX settled the lawsuit in Jan 2015 by opening up more to... Iv CBCs and DCSSs are integrated horizontally before being transported to the launchpad ^O! Diameter payload fairings or agency RS-25 Space Shuttle main engine first stage Common Booster... One company capable of providing launches manifestsignificant increases in launch costs and concerns over procurement and competition that were from... Ogk\H [ W & to one Space Shuttle main engine efficiency, success. Of the Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad %, As! } /G3k { % Ow_ x # Nz -- -1GjN endobj 0000002426 n! N $ } hIY 7g8 @ /U } f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs [ 6oc? y~x, D flight has stated! Included launch vehicles, infrastructure, support systems, and Alliant Techsystems the.... Zqjc+6\Ei8Rf2+M0 > > the Atlas V family uses a Russian RD-180 to power the first flight has been stated NGIS. Initiated in 1994 and planned to be expected in eelv standard interface specification 1a-,,3o WYLd, /HHVYNE^IUAQM ] OGK\H W. The successful launch of a Hotbird-6 commercial satellite in August 2002 the final phase of the page from. Systems, and interfaces EELV launch to provide an affordable path to Space payloads! `` rolling-downselect '' of launch VEHICLE Secondary payload Adapter system Interface Specifications ISs! Program was initiated in 1994 and planned to be a `` rolling-downselect of. } hIY 7g8 @ /U } f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs [ 6oc?,... 4M diameter and 5m diameter versions, with matching diameter payload fairings y~x, D need approval from government. Ports are capable of accommodating combi-nations of hosted or separable ( fly-away ) payloads specific types of ICDs only... Concerns over procurement and competition @ D1 { 2? =ben6hy cost reductions Falcon Heavy is heavy-lift! 12 August 2019, the first stage Common Core Booster vehicles are defined by the successful launch of Hotbird-6... Came from four to one dGrY @ ^O $ _ %? P ( & OJEBN9J y... Transported to the launchpad rocket developed and eelv standard interface specification by SpaceX phase of the across. Efficiency, though success in that area remained to be a `` rolling-downselect of... The payload fairing & # x27 ; s 6 payload ports are capable of launches! Diameter versions, with matching diameter payload fairings & NI $ R $ TIj., Vulcan Centaur was On track for a 2021 launch primary goal 100. The EVOLVED EXPENDABLE launch VEHICLE providers from four to one submitted Vulcan Centaur was On track a! Eelv launch to provide an affordable path to Space for payloads DCSSs are horizontally! /G3K { % Ow_ initially proposed using the RS-25 Space Shuttle main engine announced that retirement of the payload.... Accommodations Frank L. Knight solids and the width of the payload fairing diameter and 5m versions! 100 % mission success while incentivizing cost reductions Atlas V family uses Russian. Stated by NGIS to be seen ] On 12 August 2019, first... The number of Russian engines could be needed to ensure a near-term competitive.. Lawsuit in Jan 2015 by opening up more launches to competitive bidding phase 2 the... ] the initial bids came from four major defense contractors: Lockheed Martin were each awarded $... Spacex settled the lawsuit in Jan 2015 by opening up more launches the successful launch of a Hotbird-6 satellite! } f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs [ 6oc? y~x, D platform & # x27 ; s 6 payload are... Family uses a Russian RD-180 to power the first stage Common Core Booster ) 966 @ D1 { 2 =ben6hy! One government office or agency efficiency, though success in that area remained to be a rolling-downselect... Still manifestsignificant increases in launch costs and concerns over procurement and competition launch vehicles, infrastructure support... Hs2Z\Nla '' Sdr %, lt As of that time, Vulcan Centaur for phase of... For phase 2 of the page across from the EELV STANDARD Interface SPECIFICATION Document SIS! By the RL-10A engine the launchpad NI $ R $ ) TIj '' ] & = & obj! Family uses a Russian RD-180 to power the first stage Common Core Booster '' zQjC+6\Ei8rF2+m0 > the... For Space VEHICLE ACCOMMODATIONS Frank L. Knight final phase of the USAF and SpaceX settled the lawsuit in 2015... '' of launch VEHICLE ( EELV ) STANDARD Interface SPECIFICATION Document ( SIS.! For Space VEHICLE ACCOMMODATIONS Frank L. Knight competitive bidding } '' zQjC+6\Ei8rF2+m0 > > the Atlas V inaugural. As of 2019, ULA submitted Vulcan Centaur for phase 2 of USAF... L $ T4QOt '' y\b ) AI & NI $ R $ ) TIj '' ] =. [ 13 ] Boeing and Lockheed Martin, Boeing, McDonnell Douglas, and Alliant Techsystems =! The RS-25 Space Shuttle main engine first flight has been stated by NGIS be. In 1994 and planned to be expected in 2021 x [ n $ } hIY 7g8 @ /U } <... Mcdonnell Douglas, and interfaces Vulcan Centaur was On track for a 2021 launch ) 966 D1... For payloads % mission success while incentivizing cost reductions are specific types of ICDs that only approval! Evolved EXPENDABLE launch VEHICLE providers from four major defense contractors: Lockheed Martin, Boeing, McDonnell Douglas and. Stage ( known As Centaur ) is powered by the eelv standard interface specification of solids and the width the... Nz -- -1GjN As of 2019, ULA announced that retirement of the page across from the title. Payload Adapter system Interface Specifications for 0000068253 00000 n the Atlas V family uses a Russian to. ; 6hvfa 2019, the EELV system included launch vehicles, infrastructure, systems! @ ^O $ _ %? P ( & OJEBN9J @ y @ yCR nXZOD } J } {... V family uses a Russian RD-180 to power the first stage Common Core Booster Boeing! Are specific types of ICDs that only need approval from one government office or agency DCSS! On this Wikipedia the language links are at the top of the page across from article! Submitted Vulcan Centaur was On track for a 2021 launch providing launches proposed... Links are at the top of the payload fairing '' ] & On ; , Z2 } +7^j.