He then attended the Military Academy from 1960 to 1962 and was promoted to captain in the General Staff Corps in 1965.
[1] Wallroth was head of the combined military intelligence and security service,[2] as the Chief of Defence Staff's Operation Section 5 (Chef Försvarsstabens operationssektion 5, CFst/Op5) from 1978 to 1982.
[1] The Cold War and the Swedish submarine incidents occupies a large part of everyday life, as well as Sweden's increased international commitments, including the United Nations peacekeeping forces.
[2] After retiring in 1994, Wallroth studied history and political science at the Stockholm University, resulting in a bachelor's degree.
[1] Wallroth died on 4 February 2005 and was buried at the cemetery Silverdals griftegård in Sollentuna Municipality.