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Evolved Expendable Launch Vehicle (EELV)

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Technical Report

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U.S. Air Force El Segundo United States

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The mission of the Evolved Expendable Launch Vehicle EELV program is to acquire launch services to provide critical space support required to satisfy DoD warfighter, national security, and other Government spacelift missions while fostering interagency and commercial cooperation. This mission includes the execution of flight worthiness certification processes and booster-to-satellite mission integration to maintain assured access to space and achieve 100 mission success.The EELV system includes launch vehicles, launch capability, a standard payload interface, support systems, mission integration includes mission unique requirements, flight instrumentation and range interfaces, special studies alternative upper and lower stage rocket propulsion sub-systems, mission feasibility analysis, secondary payloads, dual integration, special flight instrumentation, loads analysis, etc., post-flight data evaluation and analysis, mission assurance, infrastructure, critical component engineering, Government Mission Director support, systemprocess and reliability improvements, training, and other technical support. The system also includes launch site operations activities, activities in support of assured access, systems integration and tests, and other related support activities. Previous launch services were provided by Titan II, Delta II, Atlas II, and Titan IV launch vehicle systems. Additionally the program is working to developtwo or more domestic, commercially viable, space launch providers that meet all National Security Space NSS launch requirements.

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