213th Assault Support Helicopter Co Unit insignia

Link to drawing :

www.flickr.com/photos/138049329@N08/24920936984/in/photos...

 

Sources :

www.chinook-helicopter.com/patch/patch.html

www.sunsetcruises.com/213th/reunion2000/unithistory.html

army.togetherweserved.com/army/servlet/tws.webapp.WebApp?...

 

Done