Spanish Catholic clergy perform rituals over the caskets of soldiers who died in a helicopter crash, during a ceremony at Herat airport in western Afghanistan. Spanish Catholic clergy perform rituals over the caskets of soldiers who died in a helicopter crash, during a ceremony at Herat airport in western Afghanistan August 18, 2005. Spanish investigators suspect an accident rather than an attack caused the military helicopter crash in Afghanistan that killed all 17 Spanish soldiers on board, officials said on Wednesday. The Spanish troops with the NATO-led peacekeeping operation were on an exercise near the western city of Herat when their helicopter went down in a flat area surrounded by mountains. REUTERS/Ahmad Masood