#19 those were used by the germans, not by american planes like the one in the GIF. Also, the Jericho trumpets were devices mounted on bombs. Those mounted on planes were called 'Lärmgeräte', noise devices
"In 2010, a 3-year old boy playing with his father’s metal detector for the first time in England discovered a 16th century golden pendant estimated to be worth $4 million."
#19 those were used by the germans, not by american planes like the one in the GIF. Also, the Jericho trumpets were devices mounted on bombs. Those mounted on planes were called 'Lärmgeräte', noise devices