58th Service Squadron emblem
<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>
2017-08-09
<a rel="nofollow" class="external free" href="https://airandspace.si.edu/collection-objects/insignia-58th-service-squadron-united-states-army-air-corps">https://airandspace.si.edu/collection-objects/insignia-58th-service-squadron-united-states-army-air-corps</a>