Page 22: of Marine Technology Magazine (September 2025)

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BOXFISH ROBOTICS LIMITED www.box? shrobotics.com

Box? sh Robotics is a New Zealand based manufacturer of underwater ro- botics and imaging solutions.

Box? sh Robotics’s ? agship ROV, the

DETYENS SHIPYARDS, INC.

Box? sh Luna, is the world’s ? rst system www.detyens.com

DEAD CALM SEAS MARINE purpose-built for high-end underwater Detyens Shipyards, Inc. (DSI), a private-

SERVICES LLC ? lmmaking. Today, it is used by scien- ly-owned small business, operates on the tists and documentary teams worldwide www.dcsmarineservices.com historic Charleston Naval Shipyard site to capture breathtaking 8K footage at Dead Calm Seas Marine Services LLC along the Cooper River, seven miles north depths of up to 1,000 meters. Luna’s specializes in surface supplied air/Ni- of downtown Charleston, South Carolina.

imagery has featured in productions for trox/mixed gas commercial diving, ma-

Features of the shipyard include: rine construction, ROV/AUV, saturation major global broadcasters. • Drydocks and Piers: Three graving

In North America’s Great Lakes, in- diving, rope access/Non-Destructive dry-docks, one ? oating dry-dock, and vasive mussels have severely damaged Testing (NDT), underwater archeology/ ? ve out? tting piers accommodating pro-

QMA, and salvage (diving/topside/ma- lake ecosystem. Documentary ? lmmak- gram ships up to 1,000 feet.

rine ? re? ghting).

ers from Inspired Planet used the Box- • Cranes and Equipment: Rail cranes

Recent and ongoing projects include: ? sh Luna to ? lm lakebeds, ? sh behavior, (56-ton max radius), four tower cranes, and • Weeks Marine/Kiewit/Skanska/Equi- and historic shipwrecks screened by the ? oating cranes (up to 100-ton capacity).

nor – South Brooklyn Marine Terminal

TVO series All Too Clear. • Power Supply: Continuous shore (2024–Ongoing)

Box? sh Robotics’s autonomous systems power (460V, 60Hz, up to 16,000 amps).

o Scope: product line includes the man-portable • Specialized Shops: Electric motor • Coded Welding – Nelson Studs/ hovering Box? sh AUV and the resident rewind, high-level machine shop, valve anodes/bonding bars/sea welds

ARV-i. Both systems inherit imaging ca- repair, sheet metal/aluminum fabrica- • Underwater burning – Three pability combined with advanced auton- tion, steel fabrication.

omy. The ARV-i can stay underwater for generations of sheet pile removal

In December 2024, Detyens secured • DPAA & HJF – Global Recovery extended periods, autonomously undock two contracts totaling $34.7 million: and recharge in its subsea station, and Operations (Ongoing) $17,443,181 ? rm-? xed-price contract o Scope: perform inspections continuously. (N3220525C4003) for a 135-day ship- • Material & soil sampling;

In Scotland, the Box? sh ARV-i was yard availability for the midterm avail- tested by Mocean Energy alongside a hydrographic survey & mapping ability and dry docking of the MSC ? eet wave energy generator. Operating from (sidescan sonar, mag particle); replenishment oiler USNS Leroy Grum- • Salvage diving to recover fallen a subsea docking station with its own man (T-AO 195).

service members; saturation & battery pack, the vehicle was able to un- In January of this year, a surface supplied mixed-gas operations dock, complete missions, and recharge $17,794,821 ? rm-? xed-price contract • Smit Salvage – Naga 7 – Offshore without human intervention (N3220525C4113) was awarded for a Rig Salvage (2023)

Box? sh Robotics’ headquarters feature: 103-day shipyard availability for the o Scope: • Manufacturing and Customer Sup- regular overhaul and dry docking of the o Welding, fabrication, cutting, salvage port Workshop – for building, servicing, MSC ? eet replenishment oiler USNS diving; subsea demolition; heavy equip- and testing ROVs and AUVs. Kanawha (T-AO 196).

ment and rigging operations; surface- • R&D Department – focused on pres- In February 2025, Detyens was award- supplied mixed gas sure-resistant materials, electromechani- ed a $21,145,267 ? rm-? xed-price con- cal systems, integrations, robotics tools, tract (N3220525C4144) for a 180-day and advanced imaging technologies. shipyard availability to perform a reg- • Software Development Department – fo- ular overhaul and dry docking of the cused on engineering control systems, au- MSC ? eet replenishment oiler USNS tonomy algorithms, and sensor integration. John Lenthall (T-AO 189).

22 September/October 2025

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