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two people standing on the deck of a ship.
251125-N-N0148-1102.JPG Photo By: Courtesy photo

Jan 5, 2026
QUANTICO, VA - Naval Criminal Investigative Service Forensic Consultants, Special Agent Amanda Grayham, and Special Agent Jason Keller, stand on the aft deck of a Seychelles Coast Guard vessel moments after launching a small, unmanned aircraft system to support a 3D documentation mission. During the operation, Grayham served as the visual observer while Keller piloted the sUAS to capture overlapping imagery of a seized Iranian dhow moored in the Coast Guard’s bay. The team documented the vessel’s interior using a combination of terrestrial laser scanning and a mobile device LiDAR scanner, while the exterior hull was captured through photogrammetry using both the sUAS and high-resolution images from a mirrorless camera. The combined laser scan and photogrammetry datasets were merged to create a comprehensive, high-fidelity 3D model of the dhow.


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