They were joined by Somerset RHA of III Brigade , RHA ( T.F. ) .
A new headquarters , XVIII Brigade , Royal Horse Artillery ( T.F. ) , was formed for the division and took command of Inverness - shire and Ayrshire RHA .
They were joined by Somerset RHA of III Brigade , Royal Horse Artillery ( T.F. ) .
A new headquarters , XVIII Brigade , Royal Horse Artillery ( T.F. ) , was formed for the division and took command of Inverness - shire and Ayrshire RHA .