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ABANDONED SHIP Wreak visited by US Navy Divers


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The up-and-coming device is known as the Dive Buddy Remotely Operated Vehicle (DBROV). The Dive Buddy is a purpose-built hybrid vehicle that can be operated as a ROV, a Diver Propulsion Vehicle (DPV), an Autonomous Underwater Vehicle (AUV), or any combination of the three.

Lee Cofer, NSWC PCD electronics engineer and Dive Buddy project lead, says the DBROV has a variety of beneficial aspects which will significantly improve efficiency and effectiveness of the diver’s assignments.

“I believe all Navy diving will benefit from the Dive Buddy, in particular, expeditionary diving,” said Cofer.

Cofer said the Dive Buddy was created to fulfill the need for a fly-away, agile base unmanned underwater vehicle (UUV) platform with autonomous capabilities that is scalable and adaptable to the diver’s needs. Also, there is a need for a platform to have the ability to be outfitted with equipment and sensors that divers need for their specific mission at hand.

The DBROV is able to carry backup life-support systems, tools, items of interest, perform dive site reconnaissance and tagging, navigate and transport the diver to dive sites, perform small area searches and provide forward looking sonar information and voice/video/data communications to the surface.

During the process of developing the DBROV, the team of Navy scientists and engineers met with divers and individuals in the Navy diving community to get their input about what functions they need in a system.

Cofer refers to the need for such an unmanned system capability as three-pronged.

“The first need is for a system that can aid in decision support by providing dive supervisors and their teams with real time sensor feeds providing information on critical aspects of their underwater mission,” Cofer said. “The final is the human and machine teaming aspect that multiplies the diver’s effectiveness.”

Cofer added that while the diver is the most critical and capable component in a dive mission, some tasks that are simple and/or repetitive can be assisted by or offloaded to an unmanned system. By doing this, there is better utilization of the limited bottom time of the diver for the more complex tasks that require greater agility.

The DBROV will not only increase diver safety, but it provides decision support through harvesting a greater situational awareness and command and control for dive supervisors. Command and control is part of a three-tier technology pillar for Initial Response Diving, which also includes thermal management and decompression support. According to Cofer, it is beneficial for the fleet to use this system.

“Navy capability for subsea human intervention that is rapid, low cost, and safe is extremely limited yet critical for all domain access, maritime security, power projection and sea control missions. Divers are necessary for these missions until the situational awareness, adaptability, agility and dexterity of a diver is duplicated in machines, likely decades from now. Meanwhile, unmanned systems are needed to sustain the Navy’s undersea asymmetric advantage,” said Cofer. “Addressing these operations by teaming divers with a specialized UUV has potential to safely achieve greater capability while addressing numerous documented mission needs.”

Examples of missions the DBROV would be useful include disabled submarine escape assessment or assistance and recovery of classified debris before they are reached by hostile forces.

In closing, Cofer stressed the significance of the Dive Buddy development, but explained it is not a replacement for human interaction. “DBROV is not a replacement for a diver, but a tool in their tool belt,” Cofer said. “The DBROV/diver relationship is an example of human and machine symbiosis.”

All manufacturing of the Dive Buddy is completed in-house at NSWC PCD. Along with benefitting the fleet, this project was used as an innovative mentorship tool to allow seasoned scientists and engineers to foster learning with the up and coming workforce.

The DBROV efforts are part of the Navy Innovative Science and Engineering (NISE) program, a sub effort of the Office of Naval Research’s (ONR) N-STAR program.

Video Description Credit: Katherine Mapp Edited by ArmedForcesUpdate

Video Credits: Mass Communication Specialist 2nd class Wyatt Huggett, Petty Officer 1st Class George Degener, Petty Officer 1st Class Brett Cote, Petty Officer 3rd Class Kelly Parker, Petty Officer 2nd Class Taylor Smith, Jacqui Barker, Petty Officer 2nd Class Glenn Slaughter, Staff Sgt. Adam Fischman and Staff Sgt. Caleb Barrieau

Video Thumbnail Credit: Juha Flinkman, SubZone OY This photo is licensed under the Creative Commons Attribution-Share Alike 4.0 International license. Licence link: This Photo has been modified by ArmedForcesUpdate

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