SUBMARINES: CHATHAM BUILT
The first section of the new submarine is lowered into position at the ceremony of laying down.
One of the main bulkheads which divide the submarine into compartments.
Five sections being built together on the slipway.
Four sections ready for welding together in their final position.
New sections being built on a cradle supported on rails to allow the section to slide into position when ready.
The new section in its final position ready for joining up.
View inside a section during construction.
The sections are nearly complete and the submarine begins to take shape.
The hull now almost complete.
Launching.