 Ukraine uses reserves for breakthrough on southern front. Ukraine has used reserves for a counter-offensive on the southern front but has not yet achieved any major breakthrough. That's according to the Washington Post. Intense fighting raged in southeastern Ukraine this week as Kiev continued a major push to reclaim territory with a fresh injection of western trained and equipped troops but no sign yet of a major breakthrough. According to the article, the main objective of Ukrainian forces is to drive south and sever Russia's land bridge to Crimea, a key military supply route. Ukrainian troops have begun to make incremental gains toward the line after swapping out an approach that involved small movements of troops on foot for a larger influx of forces from Ukraine's 10th Corps reserves using tanks and armored vehicles, the Washington Post wrote. According to the article, fierce fighting continues around the village of Robertine, an area previously held by Russian forces that is less than two kilometers from the Russian main defense line. By several accounts, the battle there presents Ukraine's closest and most feasible path for breaking through the Russian line with officials characterizing it as having major strategic value, the article reads. The New York Times earlier reported that the western trained Ukrainian brigades had stopped using American warfare tactics during the offensive on the front line, focusing on wearing down the Russian forces with artillery and long range missiles instead of plunging into minefields under fire.