Affray (Britain)        1951			75 dead		270 ft depth
USS Thresher		April 10, 1963		129 dead	8,530 ft depth		east coast, US
Dakkar (Isreal)		1968			69 dead		9,500 ft depth	
USS Scorpion		May 21, 1968		99 dead		11,811 ft depth		mid atlantic ocean
K-8 (Russian)		April 12, 1970		52 dead		12,354 ft depth		coast of Europe
K-219 (Russian)		Oct 6, 1986		4 dead		16,000+ ft depth	east coast, US
K-278 Komsomolets	April 7, 1989		42 dead		5,528 ft depth		coast of Europe
SSGN Kursk (Russian)	Aug  , 2000				354 ft depth		barents s ea (69'40" north, 37'35" east)