For
almost as long as there have been Navies there have been underwater
mines. The first mines were probably an
iron vessels filled with gunpowder
used in 14th
century China. Over the centuries naval mines haven't changed much
other they have become bigger, harder to detect and more
sophisticated at detonation.
Whether
it was those or the more modern underwater mines avoiding them or
destroying them safely has always been a big problem. The United
States Navy is on a solution this problem. By sometime in 2016 they
expect to have the first prototype of their 40-foot
surface skimming drone that will seek out and destroy underwater
mines safely.
“UISS
is a program to satisfy the Navy’s need for rapid, wide-area
mine-clearance capability to neutralize magnetic and acoustic mines.
We can hunt for mines, sweep mines and neutralize them,” Captain
David Honabach explained.
The
40-foot unmanned vessel will be designed to launch from the back of
the navy's Littoral combat ship (LCS).
Once the drone is launch it trolls a underwater cable that mimics
resonance and magnetic pull of a warship. The mines are fooled into
thinking the drone is its target and therefore allowing the drone to
dentenated the mine while the rest of the navy is watching from a
safe distance.
“Mines
have different triggers. Some mines will detonate with an acoustic
trigger and some with a magnetic trigger – and some with both. We
generate a magnetic field that emulates a warship and we acoustically
emulate a warship,” Capt. Honabach said. “We use a Mark 104
acoustic generator and a magnetic cable that trails behind the boat
with an electric current that passes through it.”
In
September of this year contractor Textron Systems was awarded a $118
million dollar contract to develop the drone within two year. They
will then supply the United States Navy more of these vessels over
the next 3 years.
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