 Several of these attempts have ended with capsized boats and hundreds of people drowning in the sea, though the Italian navy has saved thousands of lives in its Operation Mare Nostrum.Operation Triton is a border security operation conducted by Frontex, the European Union's border security agency.The operation, under Italian control, began on 1 November 2014 and involves voluntary contributions from 15 other European nations (both EU member states and non-members).