"The Russians had lost an estimated 3,000 tanks in the previous year, along with 9,000 armored vehicles, 13,000 artillery systems, and more than 400 air-defense systems, Cavoli said in written testimony. The main weapon that the Ukrainians had used to inflict this damage was the suicide drone, which costs about $400 to make……………….“It’s Ukrainian housewives,” Papperger (CEO Rheinmetall, Germany’s biggest arms manufacturer) said of their factories. “They have 3-D printers in the kitchen, and they produce parts for drones,” he said. “This is not innovation.”