A stylized delta shield, based on the <i>Star Trek</i> logo.
Abani79
2011-10-15
<span class="int-own-work" lang="en">Own work</span> (PNG from <a href="https://en.wikipedia.org/wiki/User:David_Fuchs" class="extiw" title="en:User:David Fuchs">David Fuchs</a>, draft by User:Abani79.)