The construction was guided by the latest developments in modern warfare. The Tune Position did not basically break with previous observations of the latest fortification decades. The value of advanced works was well known, and they were conscious of the need of keeping hostile artillery from the army and the Capitol. And the Northern Front was exactly built with advanced forts – supported by underlying batteries and positions.In connection with the construction of the Western Enceinte there had also been plans about constructing a advanced fort at Vallensbaek. The hole purpose with the Tune Position was to advance the defense to a distance from Copenhagen, where modern artillery could not reach it.
The Tune Position came to live up to the last known experiences and principles of the First World War. The overriding principle was the big fields with barbed wire flanked by small cavities (bunkers with two recoil guns and a floodlight) and the slightly larger galleries (bunkers with up to 8 man crew). The fire of the flanking recoil guns on the barbed wire areas was precisely the tactic that had required large casualties among the attacking forces in particular the trenches in France. Between caves and galleries, there were regular trenches alongside the barbed wire, from where the infantry could counterattack. The area in front of the position could off cause be aken under fire by the underlying artillery.
The latest weapon technical and commanding experiences were used during the the construction. Intelligence from the battlefields came slowly but surely back to the Staffs. And there were much to report on. The battlefields af World War one were laboratory bench for the firearms industry – with huge losses to follow. The military principles could not be revised as fast as the new discoveries – and the battlefield swarmed with new creepy arms.