HMS Dreadnought is a Royal Navy nuclear-powered Trident ballistic missile-armed submarine that is currently under construction.

[2] The submarine was approved for order by the UK Parliament in July 2016.

[2][3] In December 2021 it was announced that the submarine will feature Lockheed Martin navigation subsystems.

[5] In March 2021, it was announced that construction of the submarine had been delayed due to the impact of the COVID-19 pandemic.

[6] In May 2022, it was announced that construction had entered 'phase three' and that on completion, the submarine would leave the shipyard in Barrow-in-Furness to begin sea trials.