During a Special Forces training exercise, Janne Nevalainen endured a peculiar injury when he lost grip of a helicopter's skid and fell, resulting in a serious head impact in the water. Witnessing the fall, instructor Robin Hendry gave the command, yet the subsequent descent proved disastrous for Nevalainen as he turned his head during the fall, causing a violent collision with the water. The immediate pain was excruciating, likened to being struck with a baseball bat, marking the moment as a critical turning point in the drill.

After surfacing, Nevalainen's first words to his companions expressed the severity of his injury. Quick to react, a diver on the scene inquired if he could swim, which led to him making his way to a nearby boat where another instructor awaited. By the time he reached the vessel, the swelling around his eye had commenced, indicating a severe injury that warranted urgent care. It was not until they returned to the mainland that Nevalainen received a thorough assessment from the team doctor, Antti Oksanen, who provided initial treatment.

The situation escalated when, even after receiving medical attention, Nevalainen began experiencing intense headaches, raising concerns about the long-term implications of his fall. This incident serves as a stark reminder of the inherent risks involved in rigorous military training exercises, specifically within elite units like the Special Forces, where physical challenges can lead to lifetime health implications for recruits. The narrative highlights the physical and psychological strains faced by individuals undergoing such demanding training programs.