The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing
The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing

The new frontier for drone warfare is underwater, from tiny 7kg microsubs to the 15-metre Echo Voyager

The Pentagon envisages a future undersea battlescape in which unmanned combatants spend years patrolling offshore at a time

The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing
The 15-metre-long Echo Voyager, built by Boeing, has the ability to stay at sea for months, without the aid of a support ship. Photo: Boeing
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