On 13 October, while the dramatic submarine hunt was still going on, Chief of the Navy Vice-Admiral Per Rudberg appointed a committee to investigate the incident under the chairmanship of Rear-Admiral Gunnar Grandin, seconded by former Chief of Stockholm Coastal Defence, Brigadier-General Sven-Åke Adler (Deputy Chairman). The group also included Commander Anders Hammar, Commander Herman Fältström and Lieutenant-Colonel Curt E. Lundh (Secretary), all from the Naval Staff, and Commander L.G. Thomasson from the Eastern Military District. Their task was to investigate the Hårsfjärden incident, analyse the experiences and propose measures for the change of weapons systems, tactics, training and leadership.1