The only Marine Corps balloon observation squadron is disbanded at <a href="https://en.wikipedia.org/wiki/Marine_Corps_Base_Quantico" class="extiw" title="w:Marine Corps Base Quantico">Marine Corps Base Quantico</a>, <a href="https://en.wikipedia.org/wiki/Virginia" class="extiw" title="w:Virginia">Virginia</a> on 31 December 1929.
United States Marine Corps (Official Marine Corps Photograph)<br>(<a rel="nofollow" class="external free" href="http://www.tecom.usmc.mil/HD/Home_Page.htm">http://www.tecom.usmc.mil/HD/Home_Page.htm</a>)
www.tecom.usmc.mil (United States Marine Corps History website)