Navy submarine breaks down

Laura Bush oversees sub ceremony in Groton

Action man Vladimir Putin turns submariner at Lake Baikal

Video: Putin tours world's deepest lake

Families can dive at a chance to sleep on a WWII submarine

Teams rise to the challenge for robotic submarine event

USS Dallas command to be turned over

India's nuke submarine reactor prototype of Kalpakkam reactor

Boeing shows off sub-seeking Poseidon jet

Choosing French Submarine over German?

Russia to resume Bulava missile tests soon

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