FILE - Russian Presdient Vladimir Putin, left, and Nadezhda Shakhatinina, mother of Alexei Nikolayev, a sailor killed in the sinking of the nuclear submarine Kursk in 2000, stand near Nikolayev's grave in Kursk, about 450 kilometers (285 miles) south of Moscow, on Aug.19, 2003. (AP Photo/Ivan Sekretarev, File)