In 1917, civil engineer Hans Hartman pioneered deep-sea filmmaking with a 1,500-pound submarine camera.Hartman's advancements led to innovations like a cylindrical camera apparatus for underwater missions.His contributions laid the foundation for today's AI-powered autonomous submersibles.Technological progress in motion pictures and ocean exploration fueled the need for underwater filming capabilities.Jacques Cousteau's inventions, like the Aqualung, revolutionized deep-sea exploration in the 20th century.Filmmakers continued to dive deeper, capturing iconic images like the Titanic wreck using ROVs.James Cameron's expeditions to the Titanic site with innovative ROVs produced detailed footage.Today, AI-driven autonomous submersibles conduct unmanned deep-sea missions for filmmaking and research.BBC's documentaries like Blue Planet set new standards for underwater cinematography.Innovators like David Gruber use biofluorescent imaging to uncover marine species secrets.