[3] Tingsten had advanced within the General Staff where he belonged to the core group, which in the last decades of 1800s, seemed for the army's raise from decay and particularly for the implementation of conscription.

Important was his work as a teacher of tactics at the Royal Military Academy in 1884, and well into the 1900s the cadets studied his seminal textbook on the subject.

[4] As such, he came in the opportunity to establish relationships with several prominent politicians, which undoubtedly contributed to that he in August 1905 succeeded Otto Virgin as Minister for War and head of the Ministry of Land Defence in Christian Lundeberg's coalition government.

[3] Especially during the first period of Tingsten's time as Minister for War he managed to enforce some partial improvements in the defense system, including the completion of Boden Fortress and its commandant organization.

[4] Tingsten became commander of the 2nd Army Division in 1913[3] and Inspector of the Infantry in 1915 where he worked tirelessly and successfully for this branch continuous improvement according to the experience of World War I.

[5] When Tingsten retired from active duty in 1922, he could, with an energy that wasn't hindered by old age ailments, pursue his extensive war scientific and military history writing.