sentences:  By the early 1980s, this had been reduced to about 100 men in active service units and another 2–300 in supporting roles.The cell structure also increased the control of the Brigade's leadership over its volunteers, since all weapons were held by one "quartermaster" attached to each unit and could only be used for operations authorised by the Brigade leadership.The IRA's new cell structure was somewhat compromised during the 1981 hunger strikes.