The UK’s defence plans have relied, for decades, on the assumption that America will help us in a crisis.  But we can’t assume that any more, so what are those plans worth now?

Sitrep explains the findings of MPs and Peers who say we must end our “deep dependence” on the US, for everything from software updates for planes to nuclear capable missiles.

Former National Security adviser Lord Ricketts tells Kate Gerbeau where the biggest risks are, and how long it could take to cut UK military dependence on the US.

And as President Trump threatens, again, to pull the US out of NATO former MoD official Matthew Savill explains why a “quiet quitting” by the US is more likely and just how exposed it could still leave us.