KYIV, Ukraine (AP) — Russia's military fired a barrage of missiles Saturday at an airfield in central Ukraine, killing at least three people, while Ukrainian forces launched rocket strikes on river crossings in a Russian-occupied southern region. The attacks on key infrastructure on the 150th day of Russia's war in Ukraine marked new attempts by the warring parties to tip the scales of the grinding conflict in their favor. In Ukraine's central Kirovohradska region, 13 Russian missiles struck an airfield and a railway facility.