180805-N-GO855-0220 SAN DIEGO (Aug. 5, 2018) Lt. Cmdr. Chaase Gruszewski, with the Office of Naval Research, recovers an autonomous underwater vehicle during the finals of the 21st annual RoboSub competition, an international robotics competition held at Space and Naval Warfare Systems Center Pacific's six-million gallon transducer evaluation center in San Diego. (U.S. Navy photo by Mass Communication Specialist 1st Class Charles E. White/ released)