During the intense Soviet offensive of summer 1944, a Finnish reconnaissance unit, Osasto Vehniäinen’s Matti-patrol, delivered crucial intelligence regarding enemy troop movements. This information, received via radio on July 17th, was considered the most valuable received by Finnish Headquarters throughout the entire summer campaign. The report arrived as the Red Army’s major offensive on the Karelian Isthmus was underway, having begun on June 9th. Finnish forces had already been forced to retreat from the Vammelsuu-Taipale line, followed by a rapid withdrawal to the final VKT line at Viipuri-Kuparsaari-Taipale. The period was marked by relentless Soviet attacks, particularly at Tali-Ihantala, Viipuri Bay, and Vuosalmi, resulting in heavy casualties on both sides. The timely intelligence provided a significant advantage amidst a desperate defensive situation.