Career
He was commissioned as an officer in the Egersky Guards Regiment, a Light Infantry unit of the Imperial Russian Army in 1913. lieutenant was the Battle of Ilomantsi, fought during the Continuation War (1941–1944). The battle lasted from July 26 to August 13, 1944.
lieutenant ended with a Finnish victory, as the last major Soviet attack against Finland was stopped here.
Two elite Red Army divisions were completely routed after a week and a half of fighting, leaving behind over 3 200 Red Army soldiers dead, thousands wounded and missing, and over 100 pieces of heavy artillery and approximately 100 mortars and the rest of the Soviet ordnance for the Finns to capture. General Raappana was specialized and experienced particularly in forest warfare.
He was awarded the most distinguished military award in Finland, the Mannerheim Cross. After the War he was the Quarter-Master General of the Finnish Army and in 1947, his promotion to senior Army Corps Commander or the Chief of the Defence Forces position in 1949 and 1950 was persistently blocked due to Soviet opposition, and he had to retire at Major General rank in 1952.