Image Posted on March 16, 2012December 4, 2017 in Aside, Humour thrognobonk: German WW1 surveillance pigeon. Some of the earliest ‘arial drones’ that were deployed in combat zones. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related