WASHINGTON, 3 June 2014. U.S. Navy leaders are looking to electronics contract manufacturing specialist Sechan Electronics Inc. in Lititz, Pa., to build digital signal processors (DSPs) that help Navy commanders create one common air defense tactical display, or "air picture," which is based on all sensor data available.Officials of U.S. Naval Sea Systems Command in Washington awarded Sechan an $8.7 million contract last week to manufacture signal data processor-Sierra (SDP-S) systems for the Cooperative Engagement Capability (CEC) program. The prime contractor for CEC is the Raytheon Co. Network Centric Systems segment in St. Petersburg, Fla.