921 research outputs found

    Advanced information processing system: The Army fault tolerant architecture conceptual study. Volume 1: Army fault tolerant architecture overview

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    Digital computing systems needed for Army programs such as the Computer-Aided Low Altitude Helicopter Flight Program and the Armored Systems Modernization (ASM) vehicles may be characterized by high computational throughput and input/output bandwidth, hard real-time response, high reliability and availability, and maintainability, testability, and producibility requirements. In addition, such a system should be affordable to produce, procure, maintain, and upgrade. To address these needs, the Army Fault Tolerant Architecture (AFTA) is being designed and constructed under a three-year program comprised of a conceptual study, detailed design and fabrication, and demonstration and validation phases. Described here are the results of the conceptual study phase of the AFTA development. Given here is an introduction to the AFTA program, its objectives, and key elements of its technical approach. A format is designed for representing mission requirements in a manner suitable for first order AFTA sizing and analysis, followed by a discussion of the current state of mission requirements acquisition for the targeted Army missions. An overview is given of AFTA's architectural theory of operation

    Aeronautical Engineering: A special bibliography with indexes, supplement 54

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    This bibliography lists 316 reports, articles, and other documents introduced into the NASA scientific and technical information system in January 1975

    Aeronautical Engineering: A special bibliography with indexes, supplement 74

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    This special bibliography lists 295 reports, articles, and other documents introduced into the NASA scientific and technical information system in August 1976

    Aeronautical Engineering: A special bibliography with indexes, supplement 55

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    This bibliography lists 260 reports, articles, and other documents introduced into the NASA scientific and technical information system in February 1975

    SYSTEMS ANALYSIS OF SENSE AND STRIKE CAPABILITIES WITHIN AN ARMORED COMBAT UNIT IN AN OFFENSIVE URBAN OPERATION

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    This thesis analyzes the impact of deploying loitering munitions and tactical drones with a company-level armored combat team in an offensive urban operation, using Map Aware Non-Uniform Automata (MANA) as the simulation tool. An armored combat team of the Armored Brigade Combat Team (ABCT) was modelled as part of an offensive urban operation, as a baseline to understand the impacts of Raven RQ-11 and M109A6 Howitzer, subsequently replacing them with the loitering munitions and tactical drones. The design of experiment incorporates a total of seven performance parameters of loitering munitions and tactical drones, and utilized the Nearly Orthogonal and Balanced (NOB) method to generate a total of 256 design points with 350 replications each. JMP Pro 16 software was utilized to analyze the operational effectiveness of the loitering munitions and tactical drones, and assess the key performance parameters of the loitering munitions and tactical drones. It was observed that the significant factors in order of significance were loitering munition’s force structure, loitering munition’s classification range and tactical drone’s endurance, and indicated that the employment of loitering munitions and tactical drones enhanced the operational effectiveness of the armored company. This analysis would aid capability analysts in considering the procurement and deployment of sense and strike capabilities, with respect to potential inter-system interaction and key performance parameters.Outstanding ThesisMajor, Singapore ArmyApproved for public release. Distribution is unlimited

    Armored carrier MT-LB and support vehicles produced on its basis in Poland

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    The article presents the history of construction of the armored carrier MT-LB designed in 1960s in Kharkiv Tank Factory in the USSR. The serial production of the carrier in Poland and the involvement of Polish scientific and research centers in the preparation of its specialized versions is discussed. The individual versions of the carrier are characterized, streaming them according to: vehicles produced in Poland, prototype vehicles constructed in Polish scientific and research centers and vehicles obtained for the Polish Armed Forces under import. Furthermore, the article outlines the utilization of the MT-LB armored carrier and anti-aircraft missile launchers, engineering vehicles, armored recovery and command-staff vehicles built on its basis by the Polish Armed Forces’ units, drawing the attention to their role in process of technical modernization of the land forces

    Fiscal year 1973 scientific and technical reports, articles, papers, and presentations

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    Formal NASA technical reports, papers published in technical journals, and presentations by MSFC personnel in FY73 are presented. Papers of MSFC contractors are also included

    Aeronautical Engineering: A continuing bibliography, supplement 116

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    This bibliography lists 550 reports, articles, and other documents introduced into the NASA scientific and technical information system in November 1979
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