<div dir="ltr"><p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">Dear colleagues,</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif"> </span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">NASA’s
TIMED mission will celebrate the 20th anniversary of its launch on 7 December
2021. Over the years, TIMED observations have provided a wealth of information
on the dynamics and energy budget of the thermosphere and ionosphere. In
addition to improving our understanding of this complex system, the TIMED
mission has also had an impact on the research community itself. In addition to
extending our congratulations to the TIMED mission team, we would like to
invite members of the CEDAR community that have been involved with TIMED over
the years to share their experiences and insights related to the TIMED mission <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fforms%2Fd%2Fe%2F1FAIpQLSdPSvfM6U11KYnVnBkSNxkTSgwcAMBuiwbBV1FypUUt1-SD8w%2Fviewform&data=04%7C01%7Cjohn.p.mccormack%40nasa.gov%7Ca9cdb0ea71534ae1466a08d9aab622f3%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637728522269390262%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=wbGove41nSn5gFtmoKWTxsADUIsmkjX5wH%2FiS4BW9go%3D&reserved=0" target="_blank" style="color:blue"><span style="color:rgb(17,85,204)">here</span></a>, and your responses, anecdotes, and
quotes may be shared in future NASA products.</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif"> </span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">Thanks
very much,</span></p>

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<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">John
McCormack</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">TIMED
program scientist</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">NASA
Heliophysics Division</span></p>

<p class="MsoNormal" style="margin:0in 0in 8pt;line-height:107%;font-size:11pt;font-family:Calibri,sans-serif"> </p>

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 </span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">_____________________</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">John McCormack, Ph.D.</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">Program Scientist (GOLD, ICON, AIM, TIMED, EZIE)</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">Heliophysics Division</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">Science Mission Directorate</span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif;color:black">Mary W. Jackson NASA HQ Building</span><span style="font-family:Arial,sans-serif"></span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif;color:black">300 Hidden Figures Way SW</span><span style="font-family:Arial,sans-serif"></span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif;color:black">Washington, DC 20546</span><span style="font-family:Arial,sans-serif"></span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif"><a href="mailto:john.p.mccormack@nasa.gov" target="_blank" style="color:blue"><span style="color:rgb(5,99,193)">john.p.mccormack@nasa.gov</span></a></span></p>

<p style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-family:Arial,sans-serif">mobile: (202) 422-2796</span></p><div><br></div></div>