Climb into our sub with visible seams and front-opening hull, control the sub with a 2010 Logitech F710 controller ($29) in Bluetooth 3.0 mode (underwater) with KontrolFreek™ FPS thumb grips that I found in my basement!
Our state of the art submarine runs Windows 10 Home Edition, no mechanical controls! Fly by wire!
https://www.youtube.com/watch?v=ClkytJa0ghc
All the scientists and orgs were like "Yeah, I'm not getting on board a 1000 gallon drum controlled by a logitech usb controller that requires me to sign a waiver saying it is not certified and there is no guarantee of safety"