The 77th Brigade, to be based in Hermitage, near Newbury, in Berkshire, will be about 1,500-strong and formed of units drawn from across the army. It will formally come into being in April.
The brigade will be responsible for what is described as non-lethal warfare. Both the Israeli and US army already engage heavily in psychological operations.
Against a background of 24-hour news, smartphones and social media, such as Facebook and Twitter, the force will attempt to control the narrative.
Only following orders?