[August]

http://www.dailymail.co.uk/sciencete...#ixzz4qctQO1Tc

The first combat submarine to sink an enemy ship also instantly killed its own eight-man crew with the powerful explosive torpedo it carried, new research has found.
The HL Hunley fought for the confederacy in the US civil war and was sunk near North Charleston, South Carolina, in 1864.
Speculation about the crew's deaths has included suffocation and drowning, but a new study claims that a shock wave created by their own weapon was to blame.


The first combat submarine to sink an enemy ship also instantly killed its own eight-man crew (pictured) with the powerful explosive torpedo it carried, new research has found. A new study says a shockwave created by their own weapon was to blame