The Assistant Chief of the General Staff supports the Chief of the General Staff in his responsibilities, sets the conditions for the British Army to contribute to success on operations, ensures coherence across the 'Defence Lines of Development' and develops the Army of the Future.
[3] The title of the existing ACGS will be renamed as Director Engagement and Communications (D E&C) on 3 September 2018.
On the other hand, the role of the Assistant Chief of the General Staff (ACGS) and Army Chief of Staff (ACOS) will be responsible for directing and delivering the Army’s input into Defence planning.
The current Director Strategy, Major General James Swift, will attain the title of ACGS and ACOS and his previous title of Director Strategy will disappear.
[4] Assistant Chiefs of the Imperial General Staff:[5][6]