2 . `` I think we are kind of pioneering and hopefully blazing a trail for others to try the technology also , '' he said . The veterans are using legs outfitted with Bluetooth . Their artificial legs communicate via GPS to coordinate movements . Both sides are testing the legs for what may be more widespread use .
2 . The veterans are using legs outfitted with Bluetooth . Their artificial legs communicate via GPS to coordinate movements . Both sides are testing the legs for what may be more widespread use .