[1] The post was established following the appointment of Vice-Admiral, Richard J. Ibbotson in June 2010 it continued to be a three-star rank position until the appointment of Rear-Admiral Duncan Potts in April 2013 when it was downgraded to a Two-star rank position.

Portsmouth, England responsible for coordinating the HQ staff branches.

[2] As the Chief of Staff NCHQ, he coordinates and integrates the work of the HQ.

[3] From June 2010 until April 2013 the post holder jointly held the title Deputy Commander-in-Chief, the Fleet.

From April 2013 until November 2018 the post holder simultaneously held the title Assistant Chief of the Naval Staff (Capability).