"Uh no, not really... wait, am I that obvious?" I chuckled, "I mean I'm usually in a sub just to look over plant life or something. Never had to actually busy myself with the controls, something always come up before I can get to..."
"Until now?"
"Yeah, I've always wanted to learn..."
"Well, you're in luck. Now's a good time as any to learn some of them! See this? This one shows the depth where we are in as of now," Captain Tomes patiently gestured to one of the other screens, "That one's for sonar activity and that one's shows what Diamond's current condition, alongside its occupants..."
As the Diamond went further underwater, we both watched as the sunlight coming from above us grew dimmer and dimmer until the front of our submersible shows nothing but a dark blue.