 One of these was the mythical German device that exploded in such a way that it resembled a bomber being hit, although these also went by a variety of other names, including "scarecrows".It also included a napalm rocket used by the RAAF during the Korean War, It is also the nickname of a military insigne that depicts an old-fashioned grenade with a lit fuse.The device is in various armies; examples include The Canadian Grenadier Guards, The Princess Louise Fusiliers, the British Royal Engineers and Royal Artillery (displayed on their "collar dogs"), and the U.S. Army's ordnance departments.