The Para-Rigger

Although the article says that two German dogs "changed sides" before the war was over, it should be noted that Rin Tin Tin was originally a German war dog in the trenches of WW I.

http://www.spiegel.de/international/zeitgeist/the-parachuting-dogs-of-the-british-army-in-world-war-ii-a-939002.html