2d Fighter All-Weather Squadron emblem.  Approved 11 January 1951.  Motto "Second to None" added 5 January 1959 for 2d Fighter-Interceptor Squadron.
<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>
1951-01-11
<a rel="nofollow" class="external free" href="https://picryl.com/media/approved-insignia-for-the-2nd-fighter-squadron-exact-date-shot-unknown-ebb776">https://picryl.com/media/approved-insignia-for-the-2nd-fighter-squadron-exact-date-shot-unknown-ebb776</a>