You can rent any kind of marine scientific equipment that you need. You can look for things like a magnetometer winch, a standard umbilical winch, Sonar Winch for Marine, an ROV, lights, cameras, CTD arrays, sonar sensors, acoustic releases, and USL sensor arrays. You can use the Okeanus rental service to take the things that you need. For more information visit: https://www.okeanus.com/products/standard/winches