Teledyne Marine reports that its Slocum G2 Glider dubbed Silbo, manufactured by Teledyne Webb Research, completed a 4+-year journey that circumnavigated the Atlantic Ocean in four legs, a first for an autonomous underwater vehicle (AUV).“Born out of Dr. Rick Spinrad’s challenge to build a robot that can cross the Atlantic, these long-endurance oceanic scale basin crossings with little yellow submarines are becoming more and more routine…