Vänrikki Håkan S.A. Sundberg
Håkan Sundberg served as a pilot in LeR 3.
He served in Finland from 19 February to 2 April 1940. During his time in Finland he also served in LeR 2.
Nothing more is known about his service during the Winter War.
Article by Eino Ritaranta in "Suomen Ilmailuhistoriallinen Lehti" no. 1/1996 kindly provided by Carl-Fredrik Geust
Additional information kindly provided by Carl-Fredrik Geust