The Swiss army has again deployed for security at the World Economic Forum (WEF) in Davos. +Get the most important news from Switzerland in your inbox The majority of troops will arrive on Monday after parliament approved the deployment of up to 5,000 members of the armed forces for the WEF meeting from January 13-29. The civilian authorities of the canton of Graubünden are responsible for the deployment. + Can WEF save it itself? According to the Department of Defence, some of the army personnel will be protecting important infrastructure facilities. Others will be deployed in other parts of the country to provide air security, logistics and command support services. Members of the armed forces may use policing measures if necessary to fulfil their respective missions. The air force will carry out surveillance flights and the transport of persons protected under international law. During the WEF, the airspace over Davos can only be used to a limited extent. This applies next ...