This article needs to be updated.(September 2016) |
Erna Raid (Estonian: Erna retk) was an annual international military exercise and competition, one of the longest and most difficult in the world, held every August from 1995 to 2011 in Estonia. It was organized by the Erna Society and commemorates the actions of the long-range reconnaissance group 'Erna' in the summer of 1941. [1]