It's CEP is 90 meters at 6,000 NM.
Oh, and each D5 can carry 12 warheads. And each Trident carries 24 D5's.
And NOT EVEN the US can hit a moving carrier with a ballistic missile.
As Jeff said, it's all bluff and designed for domestic consumption...not unlike what the Norks and Iranians do.
The current CiC (and Nobel Peace Prize winner) will never authorize those Tridents to launch.
He has stated as much several times.