Original U.S. Air Force challenge coin at top, modern U.S. Air Force challenge coin at bottom. Original owner of coin and photo is strickjh2005.
<a href="https://en.wikipedia.org/wiki/User:Strickjh2005" class="extiw" title="en:User:Strickjh2005">Strickjh2005</a> (<a href="https://en.wikipedia.org/wiki/User_talk:Strickjh2005" class="extiw" title="en:User talk:Strickjh2005">talk</a>) (<a href="https://en.wikipedia.org/wiki/Special:ListFiles/Strickjh2005" class="extiw" title="en:Special:ListFiles/Strickjh2005">Uploads</a>)
Taken on 7 March 2011
<span class="int-own-work" lang="en">Own work</span>