Now the boat is in dry dock in Roslyakovo, investigators have started picking through the shattered compartments for more clues about the causes and aftermath of the disaster.

The wreck is in dry dock in Roslyakovo, near Murmansk

Charred debris hints at the inferno inside

Only part of the submarine has been raised

Russian marines are overwhelmed by the devastation

Russian soldiers load the coffin of a Kursk submariner into a lorry

Recovering the Kursk's nuclear arsenal will be hazardous

Russian Northern Fleet commanders investigate the debris