A competition for long-range recce and rescue.
What is ERNA ? One of the world's longest and most difficult military competition, Erna Raid, is organized by the Erna Society of Estonia. This is to commemorate the actions of Erna long-range recce group in the summer of 1941. In addition, the Erna Society organises a seminar about national defence, the competitions Utria Assault and the Avo Sults memorial competition with the Off-road Club.

2Who took part in 2005?.
/FINLAND
/BELGIUM
/GERMANY
/CHINA
/DENMARK
/ USA
/ITALY
/SWEDEN
DENMARK
/HUNGARY
/GREAT BRITAIN
2.
more photos here3.
Army Field Manuals from
the site4.
SOP here5.
PLA participated also and
more