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A Ghost Fleet Overlord unmanned surface vessel, part of a partnership between the Defense Department’s Strategic Capabilities Office and the Navy, recently travelled a distance of more than 4,700 nautical miles, almost entirely autonomously.
Afterwards, it participated in Exercise Dawn Blitz where it again spent nearly all of its underway time operating autonomously.
The Ghost Fleet Overlord program is part of an effort to accelerate the Navy’s push to incorporate autonomous vessels within its fleet to better expand the reach of manned vessels.
Autonomy includes more than just straight-line passage through large areas of the ocean; it also involves such things as collision avoidance and following the rules of the sea.
Jay Dryer, director of the Strategic Capabilities Office, explained, “This is a historic milestone for the program and the Navy. It represents what SCO does best: integrate mature technologies to accelerate service priorities and create new capabilities for our warfighters.”
The Navy’s efforts to adopt the unmanned vessel concept involve several classes of ships and an array of missions, such as offensive operations and intelligence, surveillance and reconnaissance with reduced risk to crew and legacy vessels.
The Ghost Fleet Overlord program has demonstrated continued maturity in the Unmanned Surface Vessel (USV) concept since it stood up in late 2018.
The most recent display of that maturity involved a USV travelling from the Gulf Coast to the coast of California, moving autonomously approximately 97 per cent of the time.
While the USV did have a crew on board, remote mission command and control for the trip was done from a remote location by sailors with Surface Development Squadron One.
One of the few times the USV was guided by its onboard crew was when it traversed the Panama Canal.
Optionally manned vessels provide a stepping stone to allow the Navy and its sailors to more easily become familiar with the concept of autonomous operations than what would be possible with a fully autonomous ship.
After arriving on the west coast of the US, the Ghost Fleet Overlord USV participated in December’s Dawn Blitz exercise with the Navy and Marine Corps.
There, it successfully demonstrated compliance with international regulations for During its participation in Dawn Blitz, the Ghost Fleet Overlord USV operated autonomously for more than 130 hours and traversed roughly 950 nautical miles – accounting for approximately 98 per cent of its underway time.
The Ghost Fleet Overlord program has been an accelerant to the Navy’s adoption of USVs, enabling it to more rapidly bring such vessels into the fleet.
US Navy Captain Pete Small, Navy Program Manager for USVs, said, “Our close partnership with SCO on the Overlord program is accelerating the technology demonstration, CONOPs development and operational command and control of unmanned surface vessels in direct alignment with the Navy’s plans.”
To help the Navy advance its goal to incorporate autonomous vessels within the fleet, the SCO’s Ghost Fleet Overlord program has taken commercial ocean-going vessels and integrated both commercially-available and government-provided equipment on board to create USVs.
Phase II of the Ghost Fleet Overlord program, which focuses on the integration of government-furnished command-and-control systems and payloads and more complex and challenging naval operations experimentation, began in September.
The SCO will transition its two Ghost Fleet Overlord prototypes to the Surface Development Squadron One by the end of fiscal year 2021.
The Navy is currently acquiring two more Ghost Fleet Overlord prototypes to accompany the two SCO built to continue unmanned systems testing and fleet experimentation.
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