At that time the centre 's facilities were expanded to over 7,700 acres ( 3,100 ha ) .
Centre 's subunits consisted of an officer and NCO training unit , a collective pre-deployment training unit and a doctrine wing .
At that time the centre 's facilities were expanded to over 7,700 acres ( 3,100 ha ) and its subunits consisted of an officer and NCO training unit , a collective pre-deployment training unit and a doctrine wing .