SCHOENEFELD, GERMANY - JUNE 10: Visitors watch a Ziesel UGV (unmanned ground vehicle) drone drive over rocks at the Diehl Defence exhibition stand at the 2026 ILA Berlin Air Show on its opening day on June 10, 2026 in Schoenefeld, Germany. This year's ILA has a heavy emphasis on defence and drone technology and the integration of artificial intelligence. (Photo by Sean Gallup/Getty Images)