-2- ESPA is designed to quasi-static acceleration load factors that were derived from the EELV Standard Interface Specification Document (SIS). 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 . 5 0 obj mimics the EELV 157.5 cm (62.01 in) Standard Interface Plane. << /Length 19 0 R /N 3 /Alternate /DeviceRGB /Filter /FlateDecode >> 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. [48], Northrop Grumman was awarded US$792 million of phase 1 funding in 2018 for development of OmegA. On this Wikipedia the language links are at the top of the page across from the article title. 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. K0iABZyCAP8C@&*CP=#t] 4}a
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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.
wc/CR6@Vf|N`ObN#C8\'08#9MVk-v^.O@G}&(U! AGR-aH2\p|)+h Feature; Published: 28 November 2017; EELV secondary payload adapter (ESPA) static qualification tests. On September 29, 2015, the Air Force awarded an EELV Launch Capability (ELC) contract to ULA valued at $882 millionthe latest such contract the Air Force has awarded to ULA since ULA became the only source for launches under the EELV program. Of those 106 launches, 57 have been EELV National Security Space launches in support of the Navy, National Reconnaissance Office and the SpaceForce. endobj 0000016479 00000 n
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This document was developed by the NASA Science Mission Directorate (SMD). [32] The DCSS had 4m diameter and 5m diameter versions, with matching diameter payload fairings. hs2z\nLA"Sdr%,lt O*?f`gC/O+FFGGz)~wgbk?J9mdwi?cOO?w| x&mf %%EOF
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.3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%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' [47] In 2020, Northrop Grumman announced the cancellation of OmegA. startxref A1vjp zN6p\W
pG@ 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. 18 0 obj
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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. 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). The approach taken in the development of. 0000004305 00000 n
At the same time, another 14 boosters were to be procured competitively beginning in 2015, with the initial launches to be performed in 2017. The intent was to replace legacy vehicles, including Delta II, Atlas II, and Titan IV.
To do so, ULA has had to maintain sufficient cost accounting systems within the company. 0000002358 00000 n
6 0 obj Boeing received $1.38 billion, and Lockheed Martin received $650 million for the launches. 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. 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. 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. @(l(MW a 67E1efWmh8s`e3XY|t+$8f`~!Af6 Dy3 0
Compliance with Standard Interface Specification (SIS) - Defines the standard interface between the payload and the launch system. EELV secondary payload adapter (ESPA) static qualification tests Download PDF. EELVs were to reduce costs by being based on standardized fairings, liquid core vehicles, upper stages, and solid rocket boosters. endobj 0000004649 00000 n
The payload interface at each port has been [39], GPS-IIIA USA-289 was the first NSSL-type B5 Falcon 9 launch. As of 2019, the first flight has been stated by NGIS to be expected in 2021. Boeing initially proposed using the RS-25 Space Shuttle main engine. The EELV program is a funded U.S. Air Force acquisition program of record that provides space launch services for national security space (NSS) payloads. It uses 457,295 lbs (207,425 kg) of liquid oxygen and 169,008 lbs (76,660 kg) RP-1 rocket fuel propellants. SpaceX bid the existing launch vehicles of Falcon 9 and Falcon Heavy, while Blue Origin was expected to bid New Glenn, ULA bid Vulcan Centaur, and NGIS's bid status was not reported. [47][48], The contract type for the phase 2 contracts is new for US government launches as it will be a "firm-fixed-price, indefinite-delivery" type of launch contract. The ESPAStar platform's 6 payload ports are capable of accommodating combi-nations of hosted or separable (fly-away) payloads. The Delta IV Heavy launch vehicle uses three Common Booster Cores (CBCs) each powered by a Pratt and Whitney Rocketdyne RS-68A engine, a Delta Cryogenic Second Stage 5m (DCSS) powered by an RL10, and a 5m payload fairing. Evolved Expendable Launch Vehicle Secondary Payload Adapter System Interface Specifications For . 1320 F#
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6~5Y|fro xA7AmGxnqt_,MmOw0Uvdj t!:$`v0m5c 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). 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. 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. endobj endobj The Northrop Grumman name and logos are registered trademarks of Northrop Grumman. 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 97 0 obj 2774 0 obj
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endobj Up to five solid rocket boosters can be added to augment performance. 21 0 obj [50], ULA was awarded $967 million of phase 1 funding for further development of Vulcan as a potential competitor in future contracts. [36] As of 10November2022[update], 19 launches remain. The ESPAStar platform's 6 payload ports are capable of accommodating any combination of up to 6 hosted and 12 separable (fly-away) payloads (maximum 1 hosted or 2 separables per port). Delta IV's inaugural flight was marked by the successful launch of a commercial satellite on a Medium-Plus (4,2) in November 2002. Delta IV CBCs and DCSSs are integrated horizontally before being transported to the launchpad. [42] The USAF is working with SpaceX to mature their Falcon Heavy's design. 1. xXn8+84
3m s?0d)!#fDQb-U!~$?ORR /p_)'a}^vh#|Z8+j-v$2c{\u>y-_{ZVV%mr|u|~/a& d0S&/SJig=0QtN&?iHpzje1$Zu>)4{^D)%g/(M%@%@^t`gGe6>a409$"e FA/|W
z>q5.~iQXwID:!c The first Heavy vehicle (demo) was launched in December 2004. One of the Air Forces long-term goals for the EELV program is to have at least two certified launch providers able to compete for the full range of national security launches. 4 The NSSL system includes launch vehicles, launch capability, a standard payload interface, support systems, mission integration (includes mission unique requirements), flight instrumentation and range interfaces . /TT2 9 0 R /TT6 13 0 R /TT10 17 0 R /TT4 11 0 R >> >> [25][26] The USAF certified the Falcon 9 in May 2015,[27] and in 2016 SpaceX won a contract under the EELV program to launch a GPS Block III satellite payload to MEO. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification . The ESPAStar platforms six payload ports are capable of accommodating any combination of up to six hosted and 12 separable (fly-away) payloads (maximum one hosted or two separables per port). ;mnf4fb3/!s}Wz#I/MeFg_$ob$bOR JDs5~7^U.BV*p3]2j,BBR3Pq2,LnVL{gLj}U;g;bqGQY7C85V7y3fi=fp"n0+ddobk stream "=pdsy8&$vHl"nt{ N kMw3ZN=z[aJ a-O z%Ay3CFKV'#3Y5QC(P7oG'Nc7z_`A&Bu0Y@#gn:y"f-Q M;]jDA\Iz$zY_af1 6
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-rqr.d._xpUZMvm=+KG^WWbj>:>>>v}/avO8 A Standard Payload Interface bus was also proposed as a way to save money and improve efficiency. 0000006428 00000 n
xref The second stage (known as Centaur) is powered by the RL-10A engine. 0000001202 00000 n
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ULA has a big factory down in Decatur, Alabama. 1. ULA stated it did not have any Atlas engines available to bid in order to submit a timely proposal. [11], In October 1998 two initial launch services contracts (known as Buy 1) were awarded. 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. The USAF and United States Space Force (USSF) plan to use the next generation NSSL launch vehicles until at least 2030.[31]. Two providers were to be selected to launch spacecraft to a number of reference orbits. 1a-,,3o WYLd ,/HHVYNE^IUAQM]OGK\H[W&?'#/+/P3KrxTDl\BJX|jbRdtLQn~qIN^AvZizaFfVCYumUcEkSe}KysM]&On;,Z2}sl
+7^j[Xcm,?p._. /TT4 11 0 R >> >> stream The ESPAStar platform leverages the available mass margin from any EELV launch to provide an affordable path to space for payloads. As of that time, Vulcan Centaur was on track for a 2021 launch. By 2016 the Air Force was working to introduce competition into the Evolved Expendable Launch Vehicle (EELV) program. Northrop Grummans ESPAStar platform provides a modular, cost-effective and highly capable infrastructure resource for hosting technology development and operational payloads. R'O* u/7svAZ6r4[ZDX$22L)966@D1{2?=ben6hy. %PDF-1.6
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[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. 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. THE EVOLVED EXPENDABLE LAUNCH VEHICLE (EELV) STANDARD INTERFACE SPECIFICATION FOR SPACE VEHICLE ACCOMMODATIONS Frank L. Knight. [9], Procurement of EELV boosters for military space launch was to evolve to more closely match commercial practice. Photo Credit: U.S. Space Force. 2784 0 obj
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The Medium & Medium-Plus vehicles use a single Common Booster Core (CBC), while the Heavy variant uses three CBCs. Blue Origin also filed a pre-award protest of the request for proposal arguing that the requirements were ambiguous. [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. - A final check of specifications will be conducted prior to launch. 0000000016 00000 n
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. 0000015937 00000 n
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New ICD Revisions in Development 8/22/2022: UPREVISIONS RELEASED [5] Delta IV Medium was retired in August 2019. 0000003910 00000 n
97 24 Each of the bids included a variety of concepts. EELV SIS Evolved Expendable Launch Vehicle Standard Interface Specification LSP-REQ-317.01B Launch Services Program (LSP) Program Level . 0000087266 00000 n
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Download PDF. 0000058657 00000 n
Thompson. ' 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]. 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. hb```|+a1b0K5IiJs!C}D&m%[Xuddtu p|6:O3|3v)-F'M1*vm^b1:JeSzr60v0ht00t@0Gb0$cDHG Abt:2{$8naMeJC1kYDHn)_2u hH1=l a new EELV acquisition strategy in November 2011, revising it in 2013. endobj 5 0 obj endstream hbbd```b`` d#XD [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. stream 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. 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