Projects   /   Completed

S2340 — Low-Cost Antenna Assembly for the Surface Electronic Warfare Improvement Program (SEWIP) Block 2 Electronic Warfare System

PERIOD OF PERFORMANCE: October 2010 to April 2012


The intent of the Surface Electronic Warfare Improvement Program (SEWIP) Block 2 project was to upgrade the Navy’s AN/SLQ-32 (V) electronic support measures system, which includes the system’s receiver, antenna, and combat system interface. The Lockheed Martin (LM) team was selected by the Navy to provide the Integrated Common Electronics Warfare System (ICEWS) for SEWIP Block 2. This was a single enterprise solution designed to scale across all ship classes in the Navy’s surface fleet. At-sea demonstrations of ICEWS in June 2009 were successful. The ICEWS maximized the reuse of SEWIP Block 1 elements and leveraged the LM Team’s investment of $15M for a SEWIP Engineering Development Model (EDM) which was demonstrated at sea to achieve the lowest risk solution for Block 2. The ICEWS upgraded the receiver and antenna capabilities, as well as the combat system interface, of the legacy surface EW system. LM’s scalable enterprise approach to ICEWS was based on the company’s Rapid Commercial Off-The-Shelf (COTS) Insertion program, which has been used successfully on EW and sonar system upgrades on all classes of Navy submarines.

The objective of this project was to achieve a lower unit cost through improved manufacturing and ruggedization of the COTS SEWIP system elements, thus allowing the proposed elements to also meet the objectives of all SEWIP platforms including small ship Electronic Warfare (EW) systems, while improving producibility and lowering the unit cost for the standard SEWIP Block 2 System. This effort targeted the CVN 78 Class carrier program; however, classes such as DDG 51 and DDG 1000 would also benefit from implementation.


The project addressed the desired cost targets and improved COTS hardware that did not meet system producibility. The project was developed to focus on the following: (1) improved manufacturability of the COTS Fiber Optic Transmitter, (2) improved manufacturability of the PDF Switch Matrix (RF Module), and (3) improved manufacturability of the RF Tuner. Implementation of the SEWIP ManTech developments has resulted in cost savings of $1M per ship hull.


LM has completed insertion of this project’s low-cost module into the SEWIP Block 2 EDM for CVN 78. The LM Mission Systems & Sensors (MS2) team has integrated these elements as part of the two planned EDM’s for SEWIP Block 2, providing a low risk transition approach. In addition to the $1M cost savings per ship, cost avoidance is expected to be achieved within the first four platforms. There is a total plan of 150 platforms, not including Littoral Combat Ship (LCS), that will benefit from this ManTech effort via the SEWIP Block 2 Effort.

Navy ManTech logo
Office of Naval Research logo
ACI Technologies, Inc. logo IPC and custom electronics manufacturing training