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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Sam,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>A copy of the document with my comments attached.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>My general reaction is that it is more readable and consistent with MO Services as currently specified than the old GB – so a good piece of work.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I do have some observations which I have documented as comments in the attached.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Key points:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>          </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Lacks a conceptual “Rich Picture” that can get across the MO Concept for the non-UML literate.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>          </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think you should pull out the Information aspect of MO Services – this is not really addressed:  each service has a set of Information Objects that represent the core Mission Operations information exposed at the Service Interface.  For M&C this is Parameters, Actions, Alerts, etc.; for MPS it is Activities, Events, Resources, Plans and Requests.  For NAV it would be the various data formats defined already: Orbit Data, Attitude Data, Tracking Data, etc.  I have an information viewpoint in my SEA Reference Architecture work which already identifies this for the MO Service domain.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>          </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We seem to have dropped some of the future roadmap MO Services that were identified in the previous GB.  I don’t think we should be dropping things from the future roadmap, even if we are not currently working on them: in particular where these are topics addressed in extant standards such as PUS, or identified within our CCSDS Level Reference Architecture.  In particular (as these are exposed to the space-ground interface and are significant Mission Operations topics:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>   </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>NAV Services (overlaid on existing NAV data formats)<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>   </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>On-board Software and Configuration Management<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>   </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Time Management Services<o:p></o:p></span></p><p class=MsoListParag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it is acceptable.<br><br>Best regards,<br>Sam.<o:p></o:p></p></blockquote><p class=MsoNormal><o:p> </o:p></p></div></body></html>