A Japanese infantry unit has withdrawn a new patch designed by artificial intelligence after it was criticised for being immature, “aggressive” and out of step with the public image of the country’s Self-Defence Forces (SDF). The 1st Infantry Regiment’s patch was unveiled on April 29 and features an elephant in a helmet and other combat gear, holding a machine gun across its chest. The elephant has chains across its shoulders and a human skull apparently attached to its chest, with blue flames..