endobj 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. 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. [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. 0000135929 00000 n [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. This document was developed by the NASA Science Mission Directorate (SMD). EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. 0000017011 00000 n << /Length 16 0 R /Filter /FlateDecode >> Up to five solid rocket boosters can be added to augment performance. 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. 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. mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. 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. [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. 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. wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h 0000000016 00000 n 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. 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. 2784 0 obj <>stream 12 0 obj 0 [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. 0000082556 00000 n 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. With multiple launch vehicle configurations and launch sites on both coasts of the U.S., EELV has a proven track record of success, demonstrating unprecedented reliability with 106 successful launches since 2002. 6 0 obj 0000003719 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). Delta IV's inaugural flight was marked by the successful launch of a commercial satellite on a Medium-Plus (4,2) in November 2002. 3 August 2016. . [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. 0000002843 00000 n 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~ Reducing the cost of launches and ensuring national access to space were the two main goals of the USAF space launch/EELV program. [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. Accommodates combinations of hosted (6 max) or separable (12 max) payloads at all mounting ports, 1.6 Mbps downlink, AFSCN-compatible, Type 1 encryption, EELV SIS Rev B compliant Full complement of electrical interfaces. 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. 0000001712 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. EELV Standard Interface Specification - Version 6.0 2. 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. 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 0000006557 00000 n %PDF-1.3 While the anticipated commercial satellite base never materialized, having two different families of launch vehicles, along with multiple launch sites, contributed significantly to the nation's ability to maintain assured access to space. endobj The Northrop Grumman name and logos are registered trademarks of Northrop Grumman. 1401 Evolved Expendable Launch Vehicle (EELV) standard interface specification. 0000003146 00000 n 0000068253 00000 n ( (ZY deZyo|-@#|Fd3C\5t The Falcon Heavy is a heavy-lift rocket developed and produced by SpaceX. 2612 %%EOF Program requirements for the EELV program, including reliability, accuracy, and standard interface, are specified in the EELV Capability Production Document (CPD), validated by the Joint Requirements Oversight Council (JROC) in 2016. Launch Systems Enterprise Directorate (SMC/LE) 483 N. Aviation Blvd. % 97 0 obj Feature; Published: 28 November 2017; EELV secondary payload adapter (ESPA) static qualification tests. Senator Richard Shelby is from Alabama. hs2z\nLA"Sdr%,lt 0000003406 00000 n 2762 0 obj <> endobj 0000076318 00000 n The Medium & Medium-Plus vehicles use a single Common Booster Core (CBC), while the Heavy variant uses three CBCs. xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl +7^j[Xcm,?p._. <<1FA29D3E1AADB2110A00D0FE946CFD7F>]/Prev 340978>> endstream endobj startxref SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. 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. }, Page last modified: hb```,l? ULA also asserted that the Phase 1A launch is basically a lowest price, technically acceptable competition, unsuitable for launch contracts" 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. endobj 4.0,` 3p H.Hi@A> EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification . 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. 0000004649 00000 n 0000001699 00000 n 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. @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 DHh0D@z5+?w endobj 0000010525 00000 n The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. . In early 2016 the incumbent contractor, United Launch Alliance (ULA), decided not to compete for the first competitive launch opportunity under Phase 1A of EELV, which provides for the launch of a GPS III satellite. An Atlas V XYZ will have a 4.2-or-5.4-meter (14 or 18ft) diameter payload fairing, Y solid rocket boosters (0-5), and Z RL-10's on the Centaur upper stage (1-2). The RSS is offered only onEvolved Expendable Launch Vehicle (EELV) LVs certified to launch National Security Space missions; hence, APLs must not violate EELV requirements documented in the EELV Standard Interface Specification (SIS) and/or System Performance Requirement Document (SPRD). 0000003519 00000 n The US Space Force (USSF) plans 3034 launches during these five fiscal years. 0000027829 00000 n Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. As with the Delta IV, either a 4m or 5m fairing is used to shroud the payload, and vehicles are defined by the number of solids and the size of the payload fairing. 0000068216 00000 n In October 2018, the USAF awarded development funding to ULA, NGIS, and Blue Origin to further the design of their rockets before a subsequent competition for award to build the launch vehicles. [37], The main features of the Falcon 9 in its current Block 5 version include two stages, both powered by LOX and RP-1, with nine Merlin 1D engines on the first stage and one Merlin 1D Vacuum engine on the second stage. At the same time, another 14 boosters were to be procured competitively beginning in 2015, with the initial launches to be performed in 2017. 6 0 obj Abstract. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l The payload interface at each port has been We encourage you to use one of these browsers for the best experience. This document was produced and is maintained by the Evolved Expendable Launch Vehicle 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 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). The second stage (known as Centaur) is powered by the RL-10A engine. 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 . 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!:$`v0m5c endobj Evolved Expendable Launch Vehicle (EELV) standard interface specification, as well as Falcon 9 and Falcon Heavy. x[n$ }hIY 7g8@/U}f9MHy^Z^~|^|TWmo<4c5UX|.Gqjs[6oc?y~x,D? EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. 0 N } "zQjC+6\Ei8rF2+m0 EELV effort in 1995 are still manifestsignificant increases in launch costs and concerns over procurement and competition. 6;6_.k O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf Boeing initially proposed using the RS-25 Space Shuttle main engine. 2612 [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. hs2z\nLA"Sdr%,lt The EELV system included launch vehicles, infrastructure, support systems, and interfaces. [32] In 2020, ULA announced that retirement of the Delta IV is anticipated in 2023 after 5 more launches. endstream /*@N]\BN\#`"H`~ez18G&,\0Npd}o$euJ qf3y,.$v=mFWU>f(, Each of the bids included a variety of concepts. stream ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk 0000017080 00000 n To do so, ULA has had to maintain sufficient cost accounting systems within the company. NASA Mission Specific ESPA SIS 4 LSP-REQ-317.01B Launch Services Program Program Level Dispenser and CubeSat %PDF-1.7 % Along with the award of two development agreements, the total amount was more than $3 billion. RFP F04701-97-R-0008 19 June 1998 ii The Evolved Expendable Launch Vehicle (EELV) system is being developed by the United States Air Force (USAF) and its prime contractors to meet the nations need for expend-able launch vehicles through the . Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Rideshare Users Guide, and Do-no-harm Requirements Document . K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! 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. hbbd```b`` d#XD endobj @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { 2784 0 obj <>stream 31-03-2017 19:36:21 ZULU, Evolved Expendable Launch Vehicle (EELV) Launch Service Agreements (LSA) Draft Request for Proposal (RFP). 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. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf 0000001979 00000 n Evolved Expendable Launch Vehicle Rideshare User's Guide . 13 0 obj [47] In 2020, Northrop Grumman announced the cancellation of OmegA. xref 0000002177 00000 n DOD's Evolved Expendable Launch Vehicle (EELV) program is the primary provider of launch vehicles for U.S. military and intelligence satellites. 27 33 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. xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). Of those 106 launches, 57 have been EELV National Security Space launches in support of the Navy, National Reconnaissance Office and the SpaceForce. Development is defined as all activities from initial concept up to, but not including, production. 0000000016 00000 n 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 endstream endobj startxref 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. [ /ICCBased 18 0 R ] A1vjp zN6p\W pG@ In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. 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. DHh0D@z5+?w This page was last edited on 19 February 2023, at 18:43. 0000010105 00000 n %PDF-1.5 % 0000006582 00000 n 0000051223 00000 n 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 . endobj a new EELV acquisition strategy in November 2011, revising it in 2013. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] 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. 21 0 obj 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. % THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. 0000004106 00000 n Making space accessible. The approach taken in the development of. [32] The DCSS had 4m diameter and 5m diameter versions, with matching diameter payload fairings. The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. [12], In 2003, Boeing was found to be in possession of proprietary documents from Lockheed Martin. 7 0 obj The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. The EELV program would maintain current mass-to-orbit capability while increasing launch rate and decreasing costs. 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 Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. [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. <> The launch occurred on December 23, 2018.[40]. [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. As of 2017, SpaceX is completing this certification process with its Falcon 9 vehicle to also begin providing launch services for NSS missions. [51], On 12 August 2019, at least three of the four companies submitted their final bids for the launch services competition. hb```B ;6hvfa. The purpose of this paper is to describe the development of the EELV Standard Interface Specification (SIS) and its implications for spacecraft designers. Two providers were to be selected to launch spacecraft to a number of reference orbits. RFP F04701-97-R-0008 19 June 1998 ii . Delta IV Payload Planners Guide - October 1999 [35], A three-digit (XYZ) naming convention is used for the Atlas V configuration identification. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, , Z2 } sl +7^j [ Xcm,? p._ the successful launch of a satellite... Was the first NSSL-type B5 Falcon 9 and Falcon Heavy RD-180 to power the first Common... Usa-289 was the first stage Common Core Booster ( SMD ) f9MHy^Z^~|^|TWmo < 4c5UX|.Gqjs 6oc... Accommodations Frank L. Knight and shared development by government and commercial customers known as Centaur is. 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eelv standard interface specification