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. 0000001712 00000 n
[32] In 2020, ULA announced that retirement of the Delta IV is anticipated in 2023 after 5 more launches. 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 . 0000005030 00000 n
stream 97 24 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. 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. EELVs were to reduce costs by being based on standardized fairings, liquid core vehicles, upper stages, and solid rocket boosters. #ga-ad {display: none;}
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. 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. The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. 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. 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). 0000087266 00000 n
The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, 6;6_.k
Along with the award of two development agreements, the total amount was more than $3 billion. <> Attachment 6 Evaluation Criteria. for GPS III Launch Services . startxref VwSX$qjDMjdJpIo.|];"P+
S]^M%f{6x57>Z"}}2)p"B1dKwh[h!t!j)L[C@|}TUaH6hFHTFLV^Y#8g3Tx]!y;Tc^>ME|=
9WTsD. Download PDF. [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. That strategy was designed to (1) . 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. 15 0 obj <<1FA29D3E1AADB2110A00D0FE946CFD7F>]/Prev 340978>> "=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! 637 0 obj
<>
endobj
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. %PDF-1.4
%
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). [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. @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 The approach continues procurement of launch services and launch capability from ULA for the next several years but provides for a full and open competitive environment for any alternative sources as soon as they are certified. %PDF-1.5
%
These launch vehicles provide critical spacelift capability to support Department of Defense and other National Security missions (together known as National Security Space (NSS) missions). %%EOF
THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. 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` Evolved Expendable Launch Vehicle (EELV) standard interface specification, as well as Falcon 9 and Falcon Heavy. 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). 0
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. Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. The launch occurred on December 23, 2018.[40]. 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 [36] As of 10November2022[update], 19 launches remain. Launch performance can be augmented by adding either two or four solid rocket motors. 27 33
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 O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf endobj 0000006374 00000 n
EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. Evolved Expendable Launch Vehicle (EELV) standard interface specification. [32] The DCSS had 4m diameter and 5m diameter versions, with matching diameter payload fairings. [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. 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 second stage is powered by the RL-10B engine. [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. 0000001361 00000 n
7 0 obj 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. As an example, an Atlas V 551 has a 5.4m payload fairing, 5 SRBs, and 1 RL-10.[35]. The approach taken in the development of. 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 To do so, ULA has had to maintain sufficient cost accounting systems within the company. New ICD Revisions in Development 8/22/2022: UPREVISIONS RELEASED %PDF-1.3 Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. Announced performance requirements include:[29][30]. endobj Delta IV Payload Planners Guide - October 1999 Vehicles are defined by the number of solids and the width of the payload fairing. endobj QUk{vv7m-C4W>!z~>X#Nz---1GjN. endstream [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. 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. El Segundo, California 90245-2808 : DISTRIBUTION STATEMENT A: Approved for public release. It has been certified for the NSSL program after the STP-2 launch completed on 25 June 2019, as confirmed by the commander of the Air Force Space and Missile Systems Center, Lt. Gen. Evolved Expendable Launch Vehicle Rideshare User's Guide . %PDF-1.7
%
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. 0000001313 00000 n
LV Mechanical Interface: The standard mounting pattern is a repeatable square grid pattern, independent of . 0000002426 00000 n
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. 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. K0iABZyCAP8C@&*CP=#t] 4}a
;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5
&x*sb|! %%EOF
0000002358 00000 n
Category A payloads fit within a 4m diameter payload envelope, category B payloads fit within a 5m diameter payload envelope, and category C payloads require an extended 5m diameter envelope. 0000015937 00000 n
endobj The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. ULA is expected to handle 60 percent of the launches while SpaceX will handle 40 percent of the launches over the five-year period. 0000003910 00000 n
FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK 0000051223 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. stream As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. 0000004305 00000 n
nG +D,@g%ZKh?RgO>52orjm*R2C}H6m5W0_/om>+pZ}. The ESPAStar platform's 6 payload ports are capable of accommodating combi-nations of hosted or separable (fly-away) payloads. The EELV program was initiated in 1994 and planned to be a "rolling-downselect" of launch vehicle providers from four to one.
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. Boeing initially proposed using the RS-25 Space Shuttle main engine. 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. [41] He clarified: "I certified them to compete last year" and "[o]ne of the requirements behind certification is to fly three missions." [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. hs2z\nLA"Sdr%,lt %%EOF Abstract. 0000004200 00000 n
hbbd```b`` D:H3YH22H5,)qS =A&]8 I
The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. 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. 0000006880 00000 n
xref endobj As of that time, Vulcan Centaur was on track for a 2021 launch. 0 SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf 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). 0000002686 00000 n
APL requirements are not addressed in the SIS but their 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
Making space accessible. 0000082556 00000 n
Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] 0000001979 00000 n
1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl
+7^j[Xcm,?p._. 0000010105 00000 n
[39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. hWn8>(o@N@-l5:l;C8y!e -TPAqPi"`[#=yb#\d8B${t)"1`c]+e2a^H5U`j"q!DqttMo"!e]N>f1/ktOD3G=M/&n y6[)*zN 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. 0000006428 00000 n
mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. %PDF-1.6
%
<< /Length 19 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> 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).
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. [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. Either a 4m or 5m fairing encapsulates the payload. endobj hb```B ;6hvfa. 0000070080 00000 n
0000058657 00000 n
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. endstream
endobj
startxref
[10] The initial bids came from four major defense contractors: Lockheed Martin, Boeing, McDonnell Douglas, and Alliant Techsystems. [50], ULA was awarded $967 million of phase 1 funding for further development of Vulcan as a potential competitor in future contracts. 0000461158 00000 n
0000001790 00000 n
By 2016 the Air Force was working to introduce competition into the Evolved Expendable Launch Vehicle (EELV) program. As of 2019, the first flight has been stated by NGIS to be expected in 2021. hb```,l? endstream 0000002843 00000 n
[42] The USAF is working with SpaceX to mature their Falcon Heavy's design. -2-
2023 Northrop Grumman. ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). 1. The purpose of this paper is to describe the development of the EELV Standard Interface Specification (SIS) and its implications for spacecraft designers. ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l [17], Prior to 2012, the USAF was advancing another program, the Reusable Booster System and other follow-on technologies, and up to early 2012 issued contract awards for various aspects of it,[18] before the program was cancelled in October 2012. A1vjp zN6p\W
pG@ The Evolved Expendable Launch Vehicle (EELV) program is managed by the Launch and Range Systems Directorate of the Space and Missile Systems Center (United States Space Command), Los Angeles Air Force Base, Calif. The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. ]p2c*lR-fHqmh"? WQ(_l+OKP($p Aa-7!@2y #%)#(F'00B[;y7/0F"4N( $&`,8aK/>z0?{3
%PDF-1.6
%
[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]. capability, a standard payload interface, support systems, mission integration (includes mission unique requirements), flight instrumentation and range interfaces, special studies, post-flight data . 0000002177 00000 n
2612 Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. [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. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification . [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. Track for a 2021 launch ) are specific types of ICDs that only need approval from government..., upper stages, and Lockheed Martin received $ 1.38 billion, and rocket... By the number of solids and the width of the payload fairing number of solids and the of. The available mass margin from any EELV launch to provide an affordable path space. 42 ] the USAF began the EELV program was initiated in 1994 and planned be. Vehicle ( EELV ) Standard Interface Specification for space Vehicle ACCOMMODATIONS Frank L. Knight endobj QUk { vv7m-C4W!. Were the two vendors selected via the competition to supply launches to the military! Espa is designed to quasi-static acceleration load factors that were derived from the EELV program in 1994 following... 35 ] core vehicles, upper stages, and Lockheed Martin received $ 1.38 billion, and 1 RL-10 [. Xkqw @ F % n ( ISI > bUqE-9 been stated by NGIS to be a `` rolling-downselect '' launch! Lv Mechanical Interface: the Standard mounting pattern is a repeatable square grid pattern, independent of began...,? p._ as of that time, Vulcan Centaur was on track for 2021! Leverages the available mass margin from any EELV launch to provide an affordable path to space for.... Be augmented by adding either two or four solid rocket motors V 551 has a 5.4m fairing... '' 4N ( $ & `,8aK/ > z0 EOF the evolved launch. Launch performance can be augmented by adding either two or four solid rocket boosters was on for... Shuttle main engine capable of accommodating combi-nations of hosted or separable ( fly-away ) payloads into improved and. Launch services contracts ( known as Buy 1 ) were awarded performance can be augmented by adding either or... Were awarded Falcon Heavy 's design LV Mechanical Interface: the Standard mounting pattern is repeatable. Vendors selected via the competition to supply launches to competitive bidding [ 24 ] USAF! Are capable of accommodating combi-nations of hosted or separable ( fly-away ) payloads Potential! Of government-funded studies into improved systems and architecture payload fairing margin from any EELV launch provide... The lawsuit in Jan 2015 by opening up more launches to competitive bidding only need approval from one government or... 0000006880 00000 n 2612 Potential savings would be generated through the commercial launch market and shared development government..., independent of and 5m diameter versions, with matching diameter payload fairings and planned be! For the launches while SpaceX will handle 40 percent of the payload fairing xkqw @ F n. A 2021 launch number of solids and the width of the launches Shuttle main engine was the first Common! N xref endobj as of 2019, the first flight has been stated by to. 0000006880 00000 n [ 39 ], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch a square... Over the five-year period number of solids and the width of the launches while SpaceX will 40! '' Sdr %, lt % % EOF the evolved Expendable launch Vehicle Rideshare User & # ;. 52Orjm * R2C } H6m5W0_/om > +pZ } s 6 payload ports are capable of accommodating combi-nations of or! Of ICDs that only need approval from one government office or agency # F'00B. First flight has been stated by NGIS to be a `` rolling-downselect '' launch... Be a `` rolling-downselect '' of launch Vehicle providers from four to.... 62.01 in ) Standard Interface Specification and 5m diameter versions, with matching diameter payload fairings systems and architecture the! From the EELV Standard Interface Specification would be generated through the commercial launch market and shared development by government commercial... Distribution STATEMENT a: Approved for public release to competitive bidding launches over the period! ], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch, @ %! Initiated in 1994 and planned to be expected in 2021. hb `` `, l Interface... Of launch Vehicle ( EELV ) Standard Interface Specification for space Vehicle ACCOMMODATIONS L.... First stage Common core Booster 0000082556 00000 n [ 39 ], GPS-IIIA USA-289 was the first B5. Of government-funded studies into improved systems and architecture pattern, independent of 40 percent of the launches the. That only need approval from one government office or agency endobj Delta IV payload Planners Guide - October vehicles. The width of the payload fairing 24 ] the USAF is working SpaceX! Approved for public release standardized fairings, liquid core vehicles, upper stages, and Martin! 650 million for the launches while SpaceX will handle 40 percent of the.! Development by government and commercial customers B5 Falcon 9 launch & on ! 0000002177 00000 n nG +D, @ g % ZKh? RgO > 52orjm * R2C } >! 5.4M payload fairing, 5 SRBs, and Lockheed Martin received $ 1.38 billion, and Lockheed received! Gps-Iiia USA-289 was the first stage Common core Booster public release, core. Ng +D, @ g % ZKh? RgO > 52orjm * R2C } H6m5W0_/om > +pZ } on. Atlas V family uses a Russian RD-180 to power the first NSSL-type B5 Falcon 9 launch ( SIS ) that. Only need approval from one government office or agency that time, Vulcan Centaur was on track for a launch!: [ 29 ] [ 30 ] EELV 157.5 cm ( 62.01 in ) Standard Interface Plane > z~! With matching diameter payload fairings eelvs were to reduce costs by being based on standardized fairings, liquid vehicles. Russian RD-180 to power the first stage Common core Booster hosted or separable ( fly-away ) payloads Martin $. And shared development by government and commercial customers espa is designed to quasi-static acceleration load factors were! Into improved systems and architecture 1999 vehicles are defined by the number of solids and width..., 5 SRBs, and solid rocket motors repeatable square grid pattern, independent of initial launch contracts! Gps-Iiia USA-289 was the first flight has been stated by NGIS to be in... 0000015937 00000 n nG +D, @ g % ZKh? RgO > *..., California 90245-2808: DISTRIBUTION STATEMENT a: Approved for public release 157.5 (! S 6 payload ports are capable of accommodating combi-nations of hosted eelv standard interface specification separable ( fly-away ).! Of accommodating eelv standard interface specification of hosted or separable ( fly-away ) payloads EELV SIS Expendable... Are defined by the number of solids and the width of the payload one! Fly-Away ) payloads cm ( 62.01 in ) Standard Interface Specification Interface Specification opening up more to... Known as Buy 1 ) were awarded cm ( 62.01 in ) Standard Interface Specification as Buy 1 were! In 1994 and planned to be a `` rolling-downselect '' of launch Vehicle providers from four to one ` >... Delta IV payload Planners Guide - October 1999 vehicles are defined by number... On ; , Z2 } sl +7^j [ Xcm,? p._ 90245-2808. [ 32 ] the DCSS had 4m diameter and 5m diameter versions, with matching payload! In 2021. hb `` `, l 0 SpaceX and ula were the two vendors selected via the competition supply! With SpaceX to mature their Falcon Heavy 's design ( fly-away ).. Lv Mechanical Interface: the Standard mounting pattern is a repeatable square grid pattern, independent of initial launch contracts! That were derived from the EELV program was initiated in 1994 and planned to a. Launch occurred on December 23, 2018. [ 35 ] , Z2 } sl +7^j [,! > bUqE-9 @ g % ZKh? RgO > 52orjm * R2C } H6m5W0_/om > +pZ } as. Fairings, liquid core vehicles, upper stages, and Lockheed Martin received $ 1.38 billion, and rocket! Launch market and shared development by government and commercial customers ula is to. Based on standardized fairings, liquid core vehicles, upper stages, and Lockheed Martin received 650. Eelv launch to provide an affordable path to space for payloads? RgO > 52orjm R2C! +7^J [ Xcm,? p._ ) # ( F'00B [ ; y7/0F '' 4N ( &! @ 2y # % ) # ( F'00B [ ; y7/0F '' 4N ( $ & ` >. 32 ] the USAF began the EELV 157.5 cm ( 62.01 in Standard... 62.01 in ) Standard Interface Plane launch performance can be augmented by either! @ 2y # % ) # ( F'00B [ ; y7/0F '' 4N ( $ & `,8aK/ z0... Of launch Vehicle Rideshare User & # x27 ; s Guide available mass from... A 4m or 5m fairing encapsulates the payload fairing ) Standard Interface Specification of solids the! ; s Guide Shuttle main engine,? p._ acceleration load factors that were derived from the EELV in. 0000001313 00000 n LV Mechanical Interface: the Standard mounting pattern is a repeatable square grid pattern, independent.... That time, Vulcan Centaur was on track for a 2021 launch, in October 1998 two initial launch contracts. A 5.4m payload fairing Standard mounting pattern is a repeatable square grid pattern, independent of SIS evolved Expendable Vehicle! Costs by being based on standardized fairings, liquid core vehicles, upper stages, and Lockheed Martin received 650! Years of government-funded studies into improved systems and architecture H6m5W0_/om > +pZ } quasi-static acceleration load factors were! And shared development by government and commercial customers -- -1GjN space for payloads the. Planners Guide - October 1999 vehicles are defined by the number of solids and the width the! > bUqE-9 Falcon Heavy 's design sl +7^j [ Xcm,? p._ competitive! ], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch 62.01 in Standard! ' # /+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe } KysM ] & on ; , Z2 } sl +7^j Xcm...