Robert Breault, founder and chairman of BRO, is quoted discussing the active role Tucson's Optics Cluster plays in promoting Tucson internationally as "Optics Valley". The Optics Cluster has more than 200 member companies and is committed to maintaining three key components of Tucson's optics economy: defense, university-based research, and astronomy. Copyright Inside Tucson Business, February 7, 2005. All rights reserved.