Cyalume Technologies Holdings, Inc. (Cyalume), formerly Vector Intersect Security Acquisition Corp., (Vector) operates through its wholly owned subsidiaries Cyalume Acquisition Corp. (Acquisition Subsidiary), Cyalume Technologies, Inc. (CTI) and GMS Acquisition Partners Holdings, LLC (GMS). Cyalume Technologies is engaged in the manufacture and supply of chemiluminescent and chemical infrared products, which is sold to the United States military and government. CTI primarily produces products based on a technology whereby light is generated through a chemi¬cal reaction, known as chemiluminescence. CTI develops and produces extremely reliable Chemical and Electronic Lights for Safety and Security applications. CTI manufactures and sells chemiluminescent products and reflective and photoluminescent materials to military, commercial and public safety markets. (Source: 10-K)