Abstract. The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. 0000009026 00000 n Of those 106 launches, 57 have been EELV National Security Space launches in support of the Navy, National Reconnaissance Office and the SpaceForce. 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. 7 0 obj %PDF-1.7 % 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. VwSX$qjDMjdJpIo.|];"P+ S]^M%f{6x57>Z"}}2)p"B1dKwh[h!t!j)L[C@|}TUaH6hFHTFLV^Y#8g3Tx]!y;Tc^>ME|= 9WTsD. 0000002358 00000 n [5] Delta IV Medium was retired in August 2019. [46] OmegA was a rocket design with two main solid stages, a cryogenic upper stage, and the possibility of additional solid-rocket strap-on boosters. [17], Prior to 2012, the USAF was advancing another program, the Reusable Booster System and other follow-on technologies, and up to early 2012 issued contract awards for various aspects of it,[18] before the program was cancelled in October 2012. 0000010105 00000 n An official website of the United States government, The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite, Hosted by Defense Media Activity - WEB.mil. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l 2762 0 obj <> endobj hb```,l? Up to five solid rocket boosters can be added to augment performance. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, 6 0 obj 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. The Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) Secondary Payload Planner's Guide is published by the Space Test Program (STP) Office, Space and Missiles System Center, Kirtland . 0000002177 00000 n As an example, an Atlas V 551 has a 5.4m payload fairing, 5 SRBs, and 1 RL-10.[35]. 1. endobj [32] The DCSS had 4m diameter and 5m diameter versions, with matching diameter payload fairings. CX' )3~~0Q I3W The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. [36] As of 10November2022[update], 19 launches remain. ULA also asserted that the Phase 1A launch is basically a lowest price, technically acceptable competition, unsuitable for launch contracts" [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. It uses 457,295 lbs (207,425 kg) of liquid oxygen and 169,008 lbs (76,660 kg) RP-1 rocket fuel propellants. [48][47] 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 EELV program was initiated in 1994 and planned to be a "rolling-downselect" of launch vehicle providers from four to one. Two providers were to be selected to launch spacecraft to a number of reference orbits. K0iABZyCAP8C@&*CP=#t] 4}a ;GDxJ> ,_@FXDBX$!k"EHqaYbVabJ0cVL6f3bX'?v 6-V``[a;p~\2n5 &x*sb|! 0000002686 00000 n The FY 2016 NDAA recognized that a small number of Russian engines could be needed to ensure a near-term competitive environment. endobj In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. To do so, ULA has had to maintain sufficient cost accounting systems within the company. We encourage you to use one of these browsers for the best experience. endstream The ESPAStar platform's 6 payload ports are capable of accommodating combi-nations of hosted or separable (fly-away) payloads. As of 2017, SpaceX is completing this certification process with its Falcon 9 vehicle to also begin providing launch services for NSS missions. Either a 4m or 5m fairing encapsulates the payload. stream 13 0 obj - A final check of specifications will be conducted prior to launch. [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. Evolved Expendable Launch Vehicle Rideshare User's Guide . 2784 0 obj <>stream Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. QUk{vv7m-C4W>!z~>X#Nz---1GjN. 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~ trailer 0000006374 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 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 DOD's Evolved Expendable Launch Vehicle (EELV) program is the primary provider of launch vehicles for U.S. military and intelligence satellites. startxref [50], ULA was awarded $967 million of phase 1 funding for further development of Vulcan as a potential competitor in future contracts. [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. [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. trailer <<8D9465B782A042F99BA9A4986B1592D1>]/Prev 881083>> startxref 0 %%EOF 59 0 obj <>stream 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. 0000006557 00000 n 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. 0000004649 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. EELV STANDARD INTERFACE SPECIFICATION VERSION 5.0. 15 0 obj [ /ICCBased 18 0 R ] 0 endobj << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] [16] Each company has a 50% stake in ULA. 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 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 . 5 0 obj 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. [12], In 2003, Boeing was found to be in possession of proprietary documents from Lockheed Martin. 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). 0000001790 00000 n @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 The intent was to replace legacy vehicles, including Delta II, Atlas II, and Titan IV. 2774 0 obj <>/Filter/FlateDecode/ID[<250AE161C7F7FC4982A3B8062B0E51BA>]/Index[2762 23]/Info 2761 0 R/Length 79/Prev 495466/Root 2763 0 R/Size 2785/Type/XRef/W[1 3 1]>>stream xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ [47] In 2020, Northrop Grumman announced the cancellation of OmegA. Up to five solid rocket boosters can be added to augment performance. 4 0 obj Blue Origin also filed a pre-award protest of the request for proposal arguing that the requirements were ambiguous. wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK endobj [51], On 12 August 2019, at least three of the four companies submitted their final bids for the launch services competition. Thats Defining Possible. The payload interface at each port has been %PDF-1.4 % Evolved Expendable Launch Vehicle (EELV) standard interface specification. %%EOF 1320 0000006880 00000 n O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf Announced performance requirements include:[29][30]. hs2z\nLA"Sdr%,lt 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). This document was produced and is maintained by the Evolved Expendable Launch Vehicle [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. DULLES, Va. Dec. 11, 2017-- Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced it has been awarded a contract from the U.S. Air Force Space and Missiles Center (AFSMC) to build LDPE, or the Long Duration Propulsive Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) space platform. Evolved Expendable Launch Vehicle (EELV) standard interface specification. 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. 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). That strategy was designed to (1) . Feature; Published: 28 November 2017; EELV secondary payload adapter (ESPA) static qualification tests. ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk 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!:$`v0m5c % 0000058657 00000 n The second stage is powered by the RL-10B engine. An Atlas V XYZ will have a 4.2-or-5.4-meter (14 or 18ft) diameter payload fairing, Y solid rocket boosters (0-5), and Z RL-10's on the Centaur upper stage (1-2). %PDF-1.3 Attachment 6 Evaluation Criteria. %PDF-1.5 % Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. [38] This launcher features a reusable first stage and fairings, which lowers the cost per mission. EELV Standard Interface Specification - Version 6.0 2. << /Length 5 0 R /Filter /FlateDecode >> While the anticipated commercial satellite base never materialized, having two different families of launch vehicles, along with multiple launch sites, contributed significantly to the nation's ability to maintain assured access to space. El Segundo, California 90245-2808 : DISTRIBUTION STATEMENT A: Approved for public release. These load factors, as shown in Table 1, represent a set of accelerations that hbbd```b`` d#XD EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification, 2011 (not cleared for public circulation) LSP-REQ-317.01B Launch Services Program (LSP) Program Level Dispenser and CubeSat Requirements Document MIL-STD-1540C Military Standard Test Requirements for Launch, Upper-Stage, and Space Vehicles This requirement has been satisfied by the Falcon Heavy test flight in February 2018, Arabsat-6A in April 2019, and the STP-2 launch in June 2019. /TT2 9 0 R /TT6 13 0 R /TT10 17 0 R /TT4 11 0 R >> >> << /Length 22 0 R /Filter /FlateDecode >> 0000027829 00000 n Program requirements for the EELV program, including reliability, accuracy, and standard interface, are specified in the EELV Capability Production Document (CPD), validated by the Joint Requirements Oversight Council (JROC) in 2016. The first Heavy vehicle (demo) was launched in December 2004. ]$p_>Ox1s?Vm,po%\Y&7r0& Sa`c6yh 2(~Xb)e# La?y`/sY< -RV\]{wTKc}6saI]Y >:GP!~3kT ULA has a big factory down in Decatur, Alabama. In 2018, a competitive contract award to launch national security spacecraft was conducted between United Launch Alliance (ULA), Northrop Grumman Innovation Systems (NGIS), Blue Origin, and SpaceX. .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' 0000010608 00000 n 2 0 obj RFP F04701-97-R-0008 19 June 1998 ii This page intentionally left blank. ( (ZY deZyo|-@#|Fd3C\5t 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. Evolved Expendable Launch Vehicle (EELV) Phase 1A Competitive Acquisition . . endobj 2612 0000010525 00000 n 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. 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). 0000000776 00000 n Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . 0000010365 00000 n 0000002843 00000 n [12] Boeing was awarded a contract for 19 out of the 28 launches; Lockheed Martin was awarded a contract for the other 9. As of 2019, the first flight has been stated by NGIS to be expected in 2021. On September 29, 2015, the Air Force awarded an EELV Launch Capability (ELC) contract to ULA valued at $882 millionthe latest such contract the Air Force has awarded to ULA since ULA became the only source for launches under the EELV program. 27 33 The EELV was expected handle the bulk of the U.S. government's launch requirements after the year 2000 and was also expected to be used for commercial applications. i`zN$KgyHDis+hj^@BV/C4v3bKAj. 0000068253 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 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. 0000070080 00000 n 0000001979 00000 n % 0000015937 00000 n SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. 0000017011 00000 n 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 . stream 7 0 obj 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 Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Rideshare Users Guide, and Do-no-harm Requirements Document . 1401 >6?L`a,Epa_> [41] He clarified: "I certified them to compete last year" and "[o]ne of the requirements behind certification is to fly three missions." 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). 0000051223 00000 n [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]. As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. endobj 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. EELVs were to reduce costs by being based on standardized fairings, liquid core vehicles, upper stages, and solid rocket boosters. 0000015754 00000 n [28], The USAF began the process of competitively selecting the next generation NSSL vehicles in 2018. The interface includes mechanical, 3 August 2016. . /*@N]\BN\#`"H`~ez18G&,\0Npd}o$euJ qf3y,.$v=mFWU>f(, Program cost savings are achieved through operability improvements such as the use of common components and infrastructure, a standard payload interface, standardized launch pads and reduced on-pad processing; and acquisition improvements such as launch vehicle block buys. The US Space Force (USSF) plans 3034 launches during these five fiscal years. Compliance with Standard Interface Specification (SIS) - Defines the standard interface between the payload and the launch system. 0000001182 00000 n 0000004106 00000 n It uses 457,295 lbs (207,425 kg) of liquid oxygen and 169,008 lbs (76,660 kg) RP-1 rocket fuel propellants. The 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. 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. [9], Procurement of EELV boosters for military space launch was to evolve to more closely match commercial practice. 0000004305 00000 n One of the Air Forces long-term goals for the EELV program is to have at least two certified launch providers able to compete for the full range of national security launches. Delta IV Payload Planners Guide - October 1999 Semantic Scholar's Logo. [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. %%EOF 0000006582 00000 n [24] The USAF and SpaceX settled the lawsuit in Jan 2015 by opening up more launches to competitive bidding. This page was last edited on 19 February 2023, at 18:43. endstream endobj startxref Launch performance can be augmented by adding either two or four solid rocket motors. Reducing the cost of launches and ensuring national access to space were the two main goals of the USAF space launch/EELV program. 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 18 0 obj }, Page last modified: Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. 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. << /Length 5 0 R /Filter /FlateDecode >> Each of the bids included a variety of concepts. 0000005030 00000 n /TT4 11 0 R >> >> As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. May 2016 : Space and Missile Systems Center . Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. 0000003910 00000 n >> hs2z\nLA"Sdr%,lt The primary goal remains 100% mission success while incentivizing cost reductions. Thompson. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { 2 0 obj [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. 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. 0000017080 00000 n 120 0 obj The Medium & Medium-Plus vehicles use a single Common Booster Core (CBC), while the Heavy variant uses three CBCs. DHh0D@z5+?w 21 0 obj This document was developed by the NASA Science Mission Directorate (SMD). Launch Systems Enterprise Directorate (SMC/LE) 483 N. Aviation Blvd. hbbd```b`` d#XD The procedure and process for development, control, and maintenance is the same for ICDs and ISs. 0000004200 00000 n %PDF-1.3 hb``g``f`f`. 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