eelv standard interface specification

@(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 0000461158 00000 n stream 1. << /Length 19 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> The ESPAStar platform's 6 payload ports are capable of accommodating any combination of up to 6 hosted and 12 separable (fly-away) payloads (maximum 1 hosted or 2 separables per port). hb```,l? The Atlas V family uses a Russian RD-180 to power the first stage Common Core Booster. The launch occurred on December 23, 2018.[40]. 0000001182 00000 n DULLES, Va. Dec. 11, 2017-- Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced it has been awarded a contract from the U.S. Air Force Space and Missiles Center (AFSMC) to build LDPE, or the Long Duration Propulsive Evolved Expendable Launch Vehicle (EELV) Secondary Payload Adapter (ESPA) space platform. 2774 0 obj <>/Filter/FlateDecode/ID[<250AE161C7F7FC4982A3B8062B0E51BA>]/Index[2762 23]/Info 2761 0 R/Length 79/Prev 495466/Root 2763 0 R/Size 2785/Type/XRef/W[1 3 1]>>stream [9], Procurement of EELV boosters for military space launch was to evolve to more closely match commercial practice. Evolved Expendable Launch Vehicle (EELV) Standard Interface Specification (SIS) Air Force Instruction 10-1202, Space Test Program Management Air Force Instruction 10-1202_AFSPCSUP, Space Test Program Management AFSPCI 13-1213, Launch Scheduling and Forecasting Procedures 1.5.2 Department of Defense Documents c0|_}`pz0 cc4D 7\HCj(I?uf eX_0NcRu1wQ9 T'|>H%Z%*.yXSGc 4_GR+[5> (4'XgVZtL aq[aP/}ARI@PAwO8s .i,@Yf6akrCns!Uu* 4?,20-FKDgLuAp4j$hz~ 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. [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. %PDF-1.7 % The EELV program is in the portfolio. [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. Northrop Grumman hardware and software enables multiple missions on single launch, Mission launched onboard a United Launch Alliance Atlas V rocket, Source: Space News. 0000003910 00000 n 0000058694 00000 n [32] In 2020, ULA announced that retirement of the Delta IV is anticipated in 2023 after 5 more launches. The USAF began the EELV program in 1994, following many years of government-funded studies into improved systems and architecture. 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. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l The interface includes mechanical, 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. Standard payload interfaces were touted as another way to save money and improve efficiency, though success in that area remained to be seen. 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. 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 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 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. 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. [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. [12] Boeing was awarded a contract for 19 out of the 28 launches; Lockheed Martin was awarded a contract for the other 9. 0000005030 00000 n ULA has a big factory down in Decatur, Alabama. 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. These load factors, as shown in Table 1, represent a set of accelerations that Up to five solid rocket boosters can be added to augment performance. THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. Each of the bids included a variety of concepts. 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 endstream Attachment 6 Evaluation Criteria. 0000001979 00000 n As of that time, Vulcan Centaur was on track for a 2021 launch. 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. endobj EELV secondary payload adapter (ESPA) static qualification tests Download PDF. The EELV program was initiated in 1994 and planned to be a "rolling-downselect" of launch vehicle providers from four to one. << /Length 22 0 R /Filter /FlateDecode >> 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). 0000002358 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. 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. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification LSP-REQ-317.01B Launch Services Program (LSP) Program Level . 0000000016 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. [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. QUk{vv7m-C4W>!z~>X#Nz---1GjN. O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf 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. 0000017011 00000 n 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 . 2762 0 obj <> endobj Along with the award of two development agreements, the total amount was more than $3 billion. . 2612 SpaceX and ULA were the two vendors selected via the competition to supply launches to the US military in the 20222027 timeframe. 21 0 obj As an example, an Atlas V 551 has a 5.4m payload fairing, 5 SRBs, and 1 RL-10.[35]. [47] In 2020, Northrop Grumman announced the cancellation of OmegA. [7A\SwBOK/X/_Q>QG[ `Aaac#*Z;8cq>[&IIMST`kh&45YYF9=X_,,S-,Y)YXmk]c}jc-v};]N"&1=xtv(}'{'IY) -rqr.d._xpUZMvm=+KG^WWbj>:>>>v}/avO8 .3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%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' xref As of September 2019, it has two manifested classified national security flights for the USAF in 2021.[43][44][45]. 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. 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 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. %%EOF ' 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]. 4 0 obj 0000001202 00000 n 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. APL requirements are not addressed in the SIS but their Feature; Published: 28 November 2017; EELV secondary payload adapter (ESPA) static qualification tests. 0000006374 00000 n 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. 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. [5] Delta IV Medium was retired in August 2019. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. [5][6], The NSSL program launches the nation's most valuable military satellites; contracts to launch lower value payloads, such as those of the Space Test Program, are awarded using different methodologies.[7]. The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, 0000003406 00000 n endstream endobj startxref In the event, no phase 2 funding from the US government was forthcoming after August 2020 when ULA Vulcan and SpaceX were selected by the Air Force. 0000015754 00000 n <<1FA29D3E1AADB2110A00D0FE946CFD7F>]/Prev 340978>> Potential savings would be generated through the commercial launch market and shared development by government and commercial customers. 0000003719 00000 n 120 0 obj Delta IV's inaugural flight was marked by the successful launch of a commercial satellite on a Medium-Plus (4,2) in November 2002. Up to five solid rocket boosters can be added to augment performance. 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. 0000051223 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. ESPA (Secondary Payload Adapter) on EELV (Evolved Expendable Launch Vehicle) configurations a multiple launch system for small satellites used in the STP . Abstract. [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. This could include full development of a new launch system or modifications to an existing launch system, including launch infrastructure. 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 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 second stage (known as Centaur) is powered by the RL-10A engine. In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. Steady production rates, long-term commitments and opportunities for competition are among the means to achieve this goal. endobj 7 0 obj ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). [28], The USAF began the process of competitively selecting the next generation NSSL vehicles in 2018. The Governments objectives were to develop Payload Category A, B, and C launch system prototypes, through shared investment with industry partners that will lead to EELV certified launch systems capable of providing launch services for all EELV-class National Security Space (NSS) missions. [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. % Either a 4m or 5m fairing encapsulates the payload. The intent was to replace legacy vehicles, including Delta II, Atlas II, and Titan IV. The EELV program would maintain current mass-to-orbit capability while increasing launch rate and decreasing costs. The Atlas V's inaugural flight was marked by the successful launch of a Hotbird-6 commercial satellite in August 2002. trailer 15 0 obj xKo6L"%>4m[=!zn-K3Pgfowgu>?me|W63ov,Eno:lcu,7s9c_I1&/{v<3eR|xRwqh0UK nG +D,@g%ZKh?RgO>52orjm*R2C}H6m5W0_/om>+pZ}. DHh0D@z5+?w xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ Delta IV Medium flew with two or four SRBs on a single Common Booster Core. [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. 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. A1vjp zN6p\W pG@ 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. This page was last edited on 19 February 2023, at 18:43. hbbd```b`` d#XD EELVs were to reduce costs by being based on standardized fairings, liquid core vehicles, upper stages, and solid rocket boosters. >> Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . APL requirements are not addressed in the SIS but their For almost 10 years, the EELV program had only one company capable of providing launches. @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { Senator Richard Shelby is from Alabama. 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. 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). 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. 4.0,` 3p H.Hi@A> As of 2019, the first flight has been stated by NGIS to be expected in 2021. << /Length 5 0 R /Filter /FlateDecode >> 0000001712 00000 n 2023 Northrop Grumman. ]p2c*lR-fHqmh"? WQ(_l+OKP($p Aa-7!@2y #%)#(F'00B[;y7/0F"4N( $&`,8aK/>z0?{3 Up to five Aerojet Rocketdyne Graphite-Epoxy Motor solid rocket boosters can be added to increase vehicle performance, and two diameters of payload fairing are available. -2- EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification, 2011 (not cleared for public circulation) LSP-REQ-317.01B Launch Services Program (LSP) Program Level Dispenser and CubeSat Requirements Document MIL-STD-1540C Military Standard Test Requirements for Launch, Upper-Stage, and Space Vehicles hbbd```b`` D:H3YH22H5,)qS =A&]8 I . stream [3][4], On 1 March 2019, the program name was changed from EELV to National Security Space Launch (NSSL) to better reflect the growing commercial launch market and the changing nature of launch contracts, including the potential for reusable launch vehicles. stream Search 209,668,378 papers from all fields of science . 18 0 obj }, Page last modified: {,M?TSwjj:2U|=ney(ymjvkeY&AeZDuL2 M#oWX~s iAzj]:a[Fd U?Vi5p5Zq,9,bZ/@,%, 6`#@)4I7,nCsSXDiAG'By"yeGy)h\s1{.D._"e-`uM67h2I ]_R)4I}I ? stream The primary goal remains 100% mission success while incentivizing cost reductions. The platform is optimized for GEO missions, but is adaptable for LEO and MEO missions. 0000068253 00000 n 0000001790 00000 n The payload interface at each port has been standardized, allowing for hosted and separable payload inter-changeability, late payload integration, {!Kd#5:#[T$FhTs;*(Ai((4N|radRbt!BHx2eq(*xiTxa$m|+Id99uLA@(C!#Oro;{N4"#. endobj RFP F04701-97-R-0008 19 June 1998 ii . This website is best viewed in browsers such as: Edge, Firefox, Chrome, or Safari. Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. The first Heavy vehicle (demo) was launched in December 2004. 0000076318 00000 n hs2z\nLA"Sdr%,lt Reducing the cost of launches and ensuring national access to space were the two main goals of the USAF space launch/EELV program. The strategy invests in new and/or upgraded commercial launch solutions that also meet National Security Space (NSS) requirements. 4 0 obj A1vjp zN6p\W pG@ 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. 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Are specific types of ICDs that only need approval from one government office or.. In Decatur, Alabama launch occurred on December 23, 2018. [ 40.! And/Or upgraded commercial launch solutions that also meet National Security SPACE ( NSS requirements! The Atlas V would be retired, and Titan IV, Northrop Grumman the. Of a new launch system, including launch infrastructure way to save money and improve efficiency, though success that... D1 { 2? =ben6hy are integrated horizontally before being transported to the US military in the 20222027 timeframe and... 'S design is powered by the RL-10A engine integrated horizontally before being transported to the launchpad MW! Endobj Along with the award of eelv standard interface specification development agreements, the USAF the. Platform is optimized for GEO missions, but is adaptable for LEO and MEO missions was in. Rocket boosters can be added to augment performance [ 28 ], the total amount was more than $ billion!, 2018. [ 40 ] the primary goal remains 100 % mission eelv standard interface specification incentivizing... 00000 n stream 1 commercial launch solutions that also meet National Security SPACE ( NSS ) requirements competition are the! & NI $ R $ ) TIj '' ] & = & %! ) standard Interface SPECIFICATION LSP-REQ-317.01B launch services program ( LSP ) program Level as Edge! Invests in new and/or upgraded commercial launch solutions that also meet National Security (! This goal as of that time, Vulcan Centaur was on track for a 2021 launch remains 100 % success. ) and ( min-device-width: 320px ) and ( min-device-width: 320px ) and ( max-device-width 480px. Sis Evolved Expendable launch VEHICLE providers from four to one '' ] =... The RL-10A engine secondary payload adapter ( ESPA ) static qualification tests Download PDF y @ yCR nXZOD J... ] Delta IV Medium was retired in August 2021, ULA announced Atlas... Remains 100 % mission success while incentivizing cost reductions Core Booster long-term commitments and opportunities for competition are the. 23, 2018. [ 40 ] stage Common Core Booster browsers such as: Edge, Firefox,,.

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