<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-19T20:51:26Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/67200" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/67200</identifier><datestamp>2022-01-13T07:54:11Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Olivier L. de Weck.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Yue, Howard K. (Howard Ka-Ho)</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Aeronautics and Astronautics</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2011-11-18T20:59:47Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2011-11-18T20:59:47Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2011</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2011</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/67200</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">758678040</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2011.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Cataloged from PDF version of thesis.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (p. 75-77).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">This thesis extends the work on a shared human and robotic mission to the Martian system presented at the Revolutionary Aerospace Systems Concepts Academic Linkage (RASC-AL) 2010 competition by a team of MIT graduate students. Particular attention is paid to the transportation infrastructure and its ability to support the human and robotic mission from a logistics and supply chain standpoint. The original human and robotic mission was analyzed along with several variants including the use of Advanced Chemical Propulsion instead of Nuclear Thermal Rockets and the decomposition of the original mission into several that could, in the spirit of the Flexible Path, form the final steps on the way to a human landing on Mars. Comparison of selected figures of merit, such as the mass required in Low- Earth Orbit, number of sites explored, and crew-exploration days, gives mission designers a means to begin down-selecting mission concepts at this early phase and focus analysis efforts on the most promising concepts. In general, compared to NASA's Human Exploration of Mars Design Reference Architecture 5.0, the human and robotic mission concept requires 16% less mass in Low-Earth Orbit, is less complex, and explores six areas as opposed to a single locale. Further, mission variants, including one that hypothesizes a progression of Mars missions on the Flexible Path, are feasible and offer a flexible and modular way of progressively exploring the Martian system with the ultimate goal of landing humans on the surface of Mars.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Howard K. Yue.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">S.M.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">90 p.</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by 
copyright. They may be viewed from this source for any purpose, but 
reproduction or distribution in any format is prohibited without written 
permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Aeronautics and Astronautics.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Propulsive and logistical feasibility of alternative future human-robotic Mars exploration architectures</dim:field>
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   	&lt;Title>Propulsive and logistical feasibility of alternative future human-robotic Mars exploration architectures&lt;/Title>
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   	&lt;PublicationDate>2011&lt;/PublicationDate>
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        	&lt;DisplayName>Yue, Howard K. (Howard Ka-Ho)&lt;/DisplayName>
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    &lt;Keyword>Aeronautics and Astronautics.&lt;/Keyword>
   	&lt;Abstract>This thesis extends the work on a shared human and robotic mission to the Martian system presented at the Revolutionary Aerospace Systems Concepts Academic Linkage (RASC-AL) 2010 competition by a team of MIT graduate students. Particular attention is paid to the transportation infrastructure and its ability to support the human and robotic mission from a logistics and supply chain standpoint. The original human and robotic mission was analyzed along with several variants including the use of Advanced Chemical Propulsion instead of Nuclear Thermal Rockets and the decomposition of the original mission into several that could, in the spirit of the Flexible Path, form the final steps on the way to a human landing on Mars. Comparison of selected figures of merit, such as the mass required in Low- Earth Orbit, number of sites explored, and crew-exploration days, gives mission designers a means to begin down-selecting mission concepts at this early phase and focus analysis efforts on the most promising concepts. In general, compared to NASA&amp;apos;s Human Exploration of Mars Design Reference Architecture 5.0, the human and robotic mission concept requires 16% less mass in Low-Earth Orbit, is less complex, and explores six areas as opposed to a single locale. Further, mission variants, including one that hypothesizes a progression of Mars missions on the Flexible Path, are feasible and offer a flexible and modular way of progressively exploring the Martian system with the ultimate goal of landing humans on the surface of Mars.&lt;/Abstract>
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