Between their secretive missions and their lack of contact with the outside world, the submarine community is often a mystery to those on the outside ... unless you dive into life aboard a #USNavy submarine with All Hands Magazine. | U.S. Navy

Here's what life is like for those that deploy aboard U.S. Navy submarines. Watch more 'Military Insider': http://themghty.co/1KaPBYe Or subscribe to our Youtube channel: http://themghty.co/1KaOYxz | We Are The Mighty

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The wreck of Australia's oldest submarine has been discovered off the coast of Papua New Guinea after disappearing without a trace 103 years ago http://cnn.it/2BKQ2Lq | CNN