Electric air taxi developer Archer Aviation responded to a lawsuit Monday with its own counterclaims that rival Joby Aviation allegedly defrauded the U.S. government and its competitors by falsely presenting itself as an American-made company. The counterclaim, filed in federal court, alleges Joby relied on a Chinese manufacturing subsidiary to source critical components from Chinese suppliers with Chinese government support. Archer further alleges that Joby tried to conceal its “deep ties” to China by fraudulently misclassifying thousands of pounds of Chinese-origin aircraft materials as consumer goods — labeling them as hair clips, socks, and photo albums — to evade U.S....