That's the submarine rescue vehicle that australia used to use. "Wiki-Link"
The umbilical is 2km of fibre and copper conductors with a super heavy duty protective sheath. 2x fibre mux's, 2x 150hp hydraulic power units, 11x camera's both PTZ and fixed focal.
All in a 20 Tonne 20' container size envelope (the skirt hanging off the bottom detaches).
Oh and the whole system runs off a pair (non-redundant) of Intel Core2Duo HP boxes you could buy off any shelf at any PC store (with a few additional PCI cards).
Kinda cool though.