Estonian kroon until the Soviet invasion in 1940 and Estonia's subsequent incorporation into the Soviet Union when it was replaced by the Soviet ruble. After Estonia regained its independence, the kroon was reintroduced in 1992. The kroon became the currency of Estonia on 1 September 1928 after having been a unit of account since 1924. It replaced the mark at a rate of 100 mark = 1 kroon. The kroon was subdivided into 100 sent. In 1924, the kroon was pegged to the Swedish krona at par, with a gold standard of 2480 kroon = 1 kilogram of pure gold. The standard
Marco Kroon at the 108th Commando Company. Here he had several management positions and was dispatched once again to Iraq in 2004 for mission Stabilisation Force Iraq and three times to Afghanistan (2005, 2006 en 2007). After that Kroon became a staff officer at the intelligence centre of the special forces, training other commandos, testing equipment and tactical procedures. On 12 July 2012, Kroon received a new command as company commander of the Charley Company of the 17th Mechanized Infantry Battalion ‘Prinses Irene’ Fusilier Guards Regiment based in Oirschot. On 4 November 2013, Kroon returned to the Korps Commandotroepen ("Corps of Commando