a Norwegian Army Air Service training unit in Finland under the command of Captain Ole Reistad, but were eventually taken over by the Finnish Air Force. Royal Norwegian Navy The Royal Norwegian Navy during the campaign consisted of: 2 s: (sunk 9 April), (sunk 9 April) 7 destroyers: Three : (captured 18 May), (sunk 26 April) and (evacuated to the United Kingdom 9 April). Four : (sunk 9 April), (evacuated to the United Kingdom 25 April), and (both captured 9 April) Two incomplete Sleipner-class destroyers: (scuttled 9 April) and (captured 9 April) 11 minelayers: Five : (captured 13 May), (captured 9 April, sunk by Norwegian forces 1 May), (captured 9 April), (captured 14 April), (captured 14 April) Two : (captured 13 May), (captured 20 April), Two : (captured 14 April), (captured 14 April), Two unique vessels: (scuttled 13 April), (captured 9 April) 8 minesweepers: Two Otra-class: (captured 10 April) and (captured 9 April) Six rebuilt 2. class torpedo boats: (scuttled 2 May), (scuttled 2 May), (captured 11 April), (captured 12 April), (captured 12 April), (captured 9 April) 9 submarines: Three A class: (damaged and run aground 9 April), (scuttled 16 April), (scuttled 16 April) Six B class: (evacuated to the United Kingdom 8 June), (captured 11 April), (scuttled 10 June), (captured 10 April), (captured 9 April), (captured 18 May) 17 torpedo boats: Three : (sunk 25 April), (captured 5 May), (sunk 20 April) Six 1. class: (captured 9 April), (captured 13 April), (sunk 18 April), (wrecked 12/13 April), (scuttled 5 May), (scuttled 8 May) Eight 2. class: (scuttled 17 April), (scuttled 17 April), (captured 11 April), (captured 9 April), (scuttled 17 April), (captured 9 April), (scuttled 14 April), (captured 9 April) 58 patrol boats, including: (evacuated to the United Kingdom 8 June), (evacuated to the United Kingdom 8 June), (captured from the Germans 13 April, evacuated to the United Kingdom 7 June), (evacuated to the United Kingdom 8 June), (captured 22 May), (captured 14 April), (evacuated to the United Kingdom 8 June) Royal Norwegian Navy Air Service The Royal Norwegian Navy Air Service consisted of: 6 Heinkel He 115 seaplane reconnaissance torpedo bombers (all operational) 1 Marinens Flyvebaatfabrikk M.F.12 biplane trainer aircraft (not operational, undergoing repairs) 1 Junkers Ju 52 seaplane bomber (not operational, undergoing maintenance) 20 Marinens Flyvebaatfabrikk M.F.11 biplane reconnaissance seaplane (17 operational, 3 undergoing maintenance) 3 Marinens Flyvebaatfabrikk M.F.10 biplane trainer seaplane (two operational, one undergoing maintenance)