UK Defence
The build quality, we understand, is very good. It does take a long time to build and they need to be maintained throughout their life and I think there is this bottleneck that we have at the moment, that was probably predictable. We have some of them are older than others, some of them are still in the commissioning phase and still rolling out, and so when you have the older models coming up working alongside the new ones, different different phases of life, then you need to work out a plan on how to keep them all going."

