THE SUBMERSIBLE IN NUMBERS

15ft long, 6.2ft wide,

12.2ft tall. Weight 25,700lb.

The cabin takes two people and is just 5ft wide.

The hull is made of 3.54in thick titanium.

It can dive to 36,000ft. It has oxygen and battery power for 16-hour dives - but has emergency reserves to support life for 96 hours.

There are three windows – and eight cameras.

It has ten exterior LED lights, each producing 20,000 lumens (a traditional 100w incandescent bulb produces 1,600 lumens).