355th Medical Group emblem.  The group uses the 355th Fighter 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>
2017-05-13
<a rel="nofollow" class="external free" href="https://media.defense.gov/2012/Aug/01/2000128690/-1/-1/0/120801-F-JZ010-984.JPG">https://media.defense.gov/2012/Aug/01/2000128690/-1/-1/0/120801-F-JZ010-984.JPG</a>