Carl Bildt, former prime minister of Sweden and co-chair of the European Council on Foreign Relations, shares his perspective on European politics from Stockholm, Sweden.

Why has NATO launched a new operation in the Baltic Sea?

Well the reason is to have better safety and security for the undersea infrastructure of different cables that we have in the Baltic Sea. There have been a number of incidents in the last few months when these cables have been damaged or cut by ships that have passed by dragging their anchors. They've often been associated with the part of what you call the 'shadow fleet' of earlier old rusty tankers transporting oil from Russia in violation of sanctions. So, the NATO operation is supposed to keep that under watch, prevent it, and secure the undersea infrastructure.