KYIV, Ukraine (AP) — The ambush had been postponed three times before Ukrainian commanders decided one recent night that conditions were finally right. Cloaked in darkness, a battalion of Kyiv’s 129th brigade pressed ahead, advancing stealthily on unsuspecting Russian soldiers. By the time the Russians situated along the front line realized they were under attack, it was too late. Ukraine’s recapture of the small village of Neskuchne in the eastern Donetsk region on June 10 encapsulates the opening strategy of a major counteroffensive launched earlier this month. Small platoons bank on the element of surprise and, when successful, make incremental…