DARPA took its Anti-Submarine Warfare (ASW) Continuous Trail Unmanned Vessel (ACTUV) program to one of the best finish lines the Agency knows of an official transfer of a technology to a follow-on steward of development or to an end user in the field.
In this case, following a period of open-water tests of the programs demonstration vessel dubbed Sea Hunter to the Office of Naval Research (ONR), the latter organization officially took over responsibility of developing the revolutionary prototype vehicle as the Medium Displacement Unmanned Surface Vehicle (MDUSV).
Designed to traverse thousands of kilometers over the open seas for month at a time, without a single crew member aboard, this new vehicle class could undertake a diversity of missions, among them submarine tracking and countermine activities.
