Advanced Photonix Inc. of Camarillo, Calif., will provide Raytheon Co. of Lexington, Mass., with detector/preamplifier assembly for the active optical target detector used in the Rolling Airframe Missile, under a $2,435,000 contract. The missile is produced by Raytheon's Missile Systems business in Tucson, Ariz., and Ramsys, a consortium of German companies. The weapon is deployed in the US and German navies, and the Greek and South Korean navies have accepted delivery of it.