EXHIBIT 21

DRS TECHNOLOGIES, INC.  SUBSIDIARIES OF THE COMPANY AS OF MARCH 31, 2003

|SUBSIDIARY                                    |  | STATE OR COUNTRY
OF INCORPORATION
|--------------------------------------------- |  | ---------------------------------
|DRS Electronic Systems, Inc                   |  | Delaware                         
|DRS Technical Services, Inc                   |  | Delaware                         
|DRS Systems Management Corporation            |  | Delaware                         
|Laurel Technologies Partnership               |  | Delaware                         
|DRS Surveillance Support Systems, Inc         |  | Delaware                         
|DRS Technologies Canadian Capital Corporation |  | Canada (Nova Scotia)             
|DRS Technologies Capital Company, Inc         |  | Canada (Nova Scotia)             
|DRS Tactical Systems, Ltd                     |  | United Kingdom                   
|DRS Data Systems (Europe) Ltd                 |  | United Kingdom                   
|DRS Rugged Systems (Europe) Products Ltd      |  | United Kingdom                   
|DRS Rugged Systems (Australia) Pty. Ltd       |  | Australia                        
|DRS Power & Control Technologies, Inc         |  | Delaware                         
|DRS Electric Power Technologies, Inc          |  | Delaware                         
|DRS Power Technology, Inc                     |  | Delaware                         
|NAI Technologies, Inc                         |  | New York                         
|Paravant Inc                                  |  | Florida                          
|DRS Tactical Systems, Inc                     |  | Florida                          
|DRS Tactical Systems (West), Inc              |  | Colorado                         
|DRS Engineering Development Labs, Inc         |  | Ohio                             
|DRS Signal Technologies, Inc                  |  | Ohio                             
|DRS Signal Recording Technologies, Inc        |  | Maryland                         
|DRS Optronics, Inc                            |  | Delaware                         
|DRS Sensors & Targeting Systems, Inc          |  | Delaware                         
|DRS Nytech Imaging Systems, Inc               |  | California                       
|DRS FPA, Inc                                  |  | Delaware                         
|DRS Infrared Technologies, LP                 |  | Delaware                         
|DRS Unmanned Technologies, Inc                |  | Delaware                         
|DRS Data & Imaging Systems, Inc               |  | Delaware                         
|DRS Data & Imaging Systems Limited            |  | United Kingdom                   
|DRS Hadland Ltd                               |  | United Kingdom                   
|DRS Hadland GmbH                              |  | Federal Republic of Germany      
|DRS Hadland, Inc                              |  | Massachusetts                    
|DRS Technologies Canada, Inc                  |  | Delaware                         
|DRS Technologies Canada Company               |  | Canada (Nova Scotia)             
|DRS Systems, Inc                              |  | Delaware                         
|DRS International, Inc                        |  | Delaware                         
|DRS Communications Company LLC                |  | Delaware                         

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