The Bluefin-21 is a torpedo-shaped multirole AUV capable of conducting oceanic military , scientific and search and rescue operations . Utilising a modular design powered by interchangeable lithium-polymer batteries , it can operate on the sea floor for up to sixteen hours at a time . In 2014 , the Bluefin-21 was deployed to conduct undersea sensor sweeps during the international effort to locate the wreckage of Malaysia Airlines Flight 370
Malaysia Airlines Flight 370
Malaysia Airlines Flight 370
Bluefin Robotics