310th Operations Group emblem.  The group uses the 310th Wing emblem with the group designation on the scroll.
<a href="https://en.wikipedia.org/wiki/United_States_Army_Institute_of_Heraldry" class="extiw" title="en:United States Army Institute of Heraldry">en:United States Army Institute of Heraldry</a>
2010-03-24
<a rel="nofollow" class="external free" href="https://media.defense.gov/2010/Mar/24/2000382182/-1/-1/0/100324-F-JZ026-782.JPG">https://media.defense.gov/2010/Mar/24/2000382182/-1/-1/0/100324-F-JZ026-782.JPG</a>