Hydrospace Group attended the Spring 2026 ASME PVHO Committee session in Cozumel, where industry experts came together to discuss topics related to rules updates to the Pressure Vessels for Human Occupancy safety standards and advancements in subsea technology. The event provided a valuable opportunity to connect with colleagues, exchange ideas, and strengthen the PVHO international safety standards. A huge thank you to Atlantis Submarines for hosting the event and organizing a memorable submarine tour and evening reception.
As a supporter of ISS 2026, we’re sharing the Call for Papers for the 23rd International Submarine Symposium in Hamburg, September 15–18, 2026. Experts in submarine operations and technology are invited to submit abstracts for technical presentations.
Deadline: June 15, 2026
As a supporting partner of the International Submarine Symposium, we are proud to share the official press release for ISS 2026, scheduled for September 15–18, 2026, in Hamburg, Germany, bringing together the global submarine community for four days of technical exchange and collaboration.
Hydrospace Group will be attending several industry events this year. Mark your calendars and come meet us at one of these shows to connect, share ideas, and explore the latest in in submarine and deep-sea technology.
In this article William Kohnen discuses how advanced electric motors, power electronics, and intelligent control software are redefining subsea systems — enabling greater precision, efficiency, and reliability in some of the most demanding underwater environments. As deep-sea missions grow more complex, integrated electric systems are becoming essential to performance and safety.
Click here to read full article
William Kohnen in this article shares insights on the cutting-edge power systems behind extreme subsea vehicles. He discusses how ICTINEU Submarins’ lithium batteries deliver high energy, sustained power, and unmatched safety, enabling longer dives, heavier payloads, and mission-critical reliability in the deepest oceans.
In this article William Kohnen discuss emerging PVHO technologies, lessons learned from recent incidents, and why enforceable standards—not market forces—are essential to advancing safely and responsibly.
Click here to read the article
Hydrospace Group was honored to participate in the International WorkBoat Show alongside Underwater Intervention in New Orleans. It was a wonderful opportunity to reconnect with longtime friends and colleagues, as well as to meet new industry partners.
The submarine industry came together to exchange insights on the latest underwater technologies, advancements in safety, and updates in regulatory developments.
Click here to access photo gallery
On December 5th, 2025, at the International Workboat Show in New Orleans, professionals from the submarine industry will gather for the UI- Submarine Track Symposium. Join us in Classroom 2, room 261, and listen to 6 distinguished speakers, as they share insight on subsea exploration and safety regulations.
The 22nd International Submarine Symposium (ISS 2025) concluded successfully in Santa Cruz de Tenerife, bringing together more than 170 participants from 20 countries —including industry leaders, regulators, and maritime professionals. The event’s strong participation showcased the industry dedication learning from past challenges.
As a proud sponsor, Hydrospace Group was honored to support this global gathering dedicated to advancing safety, regulation, and innovation across the subsea community.
Hydrospace Group had the pleasure of exhibiting at AZA Annual Conference in Tampa, Florida!
It was a fantastic opportunity to connect with aquariums and zoo professionals and learn about the latest industry developments.
From September 13-18, Hydrospace Group will be at booth 745 at the Association of Zoos & Aquarium Annual Conference in Tampa Florida, where aquariums and zoo professionals will gather up to collaborate and learn about the latest industry developments. Swing by to discuss custom aquariums designed for excellence, innovation, and precision.
William Kohnen in his new article made a calls for global action—and outlines how international collaboration can guide the future of human-occupied submersibles before misinformation or tragedy sets the course.
Hydrospace Group had the pleasure of participating in the OCEANS Conference in Brest, France!
It was a fantastic opportunity to connect with a global community of scientists, engineers, technologists, and policymakers driving innovation in the marine industry. We enjoyed exchanging insights, exploring cutting-edge developments, and contributing to the conversations shaping the future of ocean technology.
Hydrospace Group participated in the AsMA & UHMS Annual Scientific conference at Hyatt Regency in Atlanta, the most important hyperbaric industry conference of the year.
It was an opportunity to share insight with leading professionals from across the hyperbaric medical and space medicine sectors about the latest industry developments in treatments, technology and regulations.
Hydrospace Group is proud to be part of this community dedicated to promoting and maintaining the highest safety standards within the industry.
During the Canadian Underwater Conference & Exhibition (CUCE) in Vancouver, Hydrospace Group announced their partnership with Sherri Ferguson, the principal of Shanfe Research, to support all ASME PVHO needs in Canada. Specializing in hyper/hypobaric environments, Sherri offers research, compliance audits, risk assessments, training, and consultancy services. Together, Sherri and Hydrospace provide end-to-end solutions ensuring precision, safety, and compliance for applications operating in extreme environments.
From March 30 to April 1, Hydrospace Group was proud to attend the Canadian Underwater Conference & Exhibition in Vancouver
It was a fantastic opportunity to share insights, reconnect with long-time colleagues, and forge new relationships within this dynamic industry.
A heartfelt thank you to our friends and organizers, Jonathan Chapple and Sheri Fergusson, for making this event such a success!
On March 13th, 2025, Hydrospace Group hosted its first open house at its new facility, welcoming customers, vendors, friends, and family. Guests were given an exclusive tour of the state-of-the-art facility and a showcase of key products built by the company. The event featured a vibrant atmosphere, delicious food, and a live performance by Sara Fisher and her band, making for a memorable celebration of innovation and community. Click here for the picture gallery.
In November 2024, Hydrospace acquired Cal Aquaria from California Quality Plastics, expanding our capabilities in premium aquariums and advanced acrylic products. With over 30 years of expertise, Cal Aquaria brings industry-leading bonding technology and crystal-clear seams to our lineup. This acquisition allows Hydrospace to further push the boundaries of acrylic innovation, from high-end aquariums to underwater human habitats. Whether it’s a custom design—small or large—we now have the technology and expertise to bring your vision to life like never before.
In an interview following the Titan submersible tragedy in June 2023, William Kohnen, CEO of Hydrospace Group, stressed the need for stricter safety standards and certification in the submersible industry. He highlighted how Titan’s design flaws and lack of certification led to its failure, emphasizing the importance of long-established safety protocols that have kept the industry remarkably safe since the 1970s.
William Kohnen highlights how electric motors, essential since the 1800s, play a vital role in deep-sea exploration. Advances in battery technology enable reliable, long-lasting operations in extreme underwater environments, with different motor types tailored for tasks like propulsion, pumps, and sonar systems. for tasks like propulsion, pumps, and sonar systems.
