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<p class="MsoNormal">Dear Colleagues<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We would like to call your attention to the article entitled “An Observational Gap at the Edge of Space” just published in
<i>Eos</i>:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a href="https://eos.org/opinions/an-observational-gap-at-the-edge-of-space">https://eos.org/opinions/an-observational-gap-at-the-edge-of-space</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The article describes the status of observations of Earth’s mesosphere and lower thermosphere and the scientific and societal advantages of continuing these observations well into the future.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We look forward to the community’s discussion of the article.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Marty Mlynczak (NASA Langley)<o:p></o:p></p>
<p class="MsoNormal">Jia Yue (Catholic University/NASA Goddard)<o:p></o:p></p>
<p class="MsoNormal">John McCormack (Naval Research Lab, now at NASA HQ)<o:p></o:p></p>
<p class="MsoNormal">Ruth Liebermann (NASA Goddard)<o:p></o:p></p>
<p class="MsoNormal">Nathaniel Livesey (JPL)<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
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