In tests off the coast of Portugal last winter, Grex-capable vehicles were able to assemble into formation and perform "swarm" tasks.
在2009年冬季于葡萄牙沿岸进行的测试中，Grex水下机器人集合成一个编队，执行“群任务”。
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But in the Grex system, vehicles will be able to act as relay stations, bouncing a control signal from the mother ship to the networked submarines over many miles.
The project coordinator, ATLAS Elektronik, plans within the next four years to offer a complete system, including the Grex box, software and installation and training.