[Centurion2000]

I’ll be impressed when it can submerge.

[NormsRevenge]

I’ll be impressed when it can submerge.

—

Don’t give Disney Cruises any ideas. :-]

This is a cutthroat business these days, lots of one upsmanship

[KarlInOhio]

I’ll be impressed when it can submerge.

Submerging is easy. Surfacing again is the tricky part which few ships can do.

[taxcontrol]

Submerging is not the hard part.

The hard part is to get it to resurface.

[puppypusher]

I’ll be impressed when it can submerge.

I’ll be impressed when I see it launch a wing of F-18’s.Its big enough.

[martin_fierro]

I'll be impressed when they get it to fly.

[Nailbiter]

http://chris2x.com/2006/05/01/personal-sub-yacht/

And was posted elsewhere on thread, it does the hard part, surfaces