Russia has inflicted serious damage on Ukrainian forces with recently introduced Iranian drones, in its first wide-scale deployment of a foreign weapons system since the war began, Ukrainian commanders say. Over the past week, Shahed-136 delta-wing drones, repainted in Russian colors and rebranded as Geranium 2, started appearing over Ukrainian armor and artillery positions in the northeastern Kharkiv region, said Col. Rodion Kulagin, commander of artillery of Ukraine’s 92nd Mechanized Brigade. In his brigade’s operational area alone, the Iranian drones have destroyed two 152-mm self-propelled howitzers, two 122-mm self-propelled howitzers, as well as two BTR armored infantry vehicles, he said....