Relatives of Private Lee Ellis are among those seeking compensation from the Ministry of Defence for allegedly not providing adequate equipment or training.
Private Ellis died in February 2006 when his Snatch Land Rover was blown up.
Similar explosions claimed the lives of two other soldiers whose families are making claims.
More top news
Andy Murray has beaten Belgian David Goffin to win the Davis Cup for Great Britain for the first time since 1936
Mercedes' Nico Rosberg has won the season-ending Abu Dhabi Grand Prix, with team-mate Lewis Hamilton coming second
Celebrities and campaigners have joined a huge rally urging world leaders to agree tough measures to curb global warming