81.   A search by a U.S. nuclear submarine last month also came up empty.

82.   A senior Russian government official insisted Friday that the sunken nuclear submarine Kursk must be raised to quell public fears of a future nuclear disaster.

83.   A search by a U.S. nuclear submarine last year also came up empty.

84.   A search by a U.S. nuclear submarine this year was also unsuccessful.

85.   A Navy admiral on Wednesday outlined five factors that he said led to the fatal collision between a nuclear submarine and a Japanese fishing boat.

86.   A Navy missile technician accused of sabotaging cables on a Trident nuclear submarine was on LSD, cocaine and methamphetamine at the time, prosecutors said.

87.   A new series of Russian nuclear submarines will enter production in the next decade, according to a news agency report on Tuesday.

88.   A Russian nuclear submarine in the Barents Sea successfully launched an unmanned German space lab on Wednesday, the ITAR-Tass news agency said.

89.   A Russian nuclear submarine on Tuesday successfully launched a German research satellite from the Barents Sea, officials said.

90.   A Russian scientist said Wednesday his team had sealed holes in a sunken nuclear submarine, preventing it from leaking radiation for at least two decades.