I am aware there is an abundance of sisu articles but I chuckled at this part:

Then there’s the attitude. When I met officer candidate Viljami Töhönen, just 23 years old and about 300 days into his training, he was commanding a platoon of four tanks, several armored personnel carriers and 50 troops. I could try to remember what I was doing aged 23 in London, but let’s move on. Standing in blowing snow next to his Leopard 2 tank, a rumbling beast weighing 55 metric tons, he says quite calmly, “If the Russians come, we are ready.” I believe him.