For some reason I can't get this idea out of my head.
My dream for the next Sub sim would be the graphics and engine of SH4, But cover all submarines from the late 1930s to the late 1990s.
I would love to run a "What if" scenario like a Los Angeles class SSN that gets warped back into the pacific during WWII.
Imagine the looks on peoples' faces when you surfaced in that bad boy




Of course, there'd be no spare parts, no re-loads, but man what a serveilance platform.
Aide to Admiral Nimitz: "Sir, you should take a look at this Super-ULTRA"
Admiral Nimitz: "What is this?"
Aide: "It is, sir, the location of the Japanese main battle fleet."
Admiral Nimitz: "From what date and time?"
Aide: "No, sir. You misunderstand. This is where the main battle fleet is *right* now. The USS Greenville has the Japanese fleet under constant serveilance."
Admiral Nimitz: "Send this to Halsey and tell him 'Good Hunting.'"