Sat, 10/28/2023 - 10:28 Tech Insider A Ukrainian soldie poses for a portrait, in an undisclosed location near the town of Orikhiv, in the Zaporizhzhia region, on October 1, 2023.ROMAN PILIPEY/AFP via Getty Images Tags Military & Defense, News, Ukraine, Russia, War, PTSD Source On Ukraine's frontlines, soldiers show steely determination. But they also expe…