EXHIBIT 21.1

SUBSIDIARIES OF THE REGISTRANT

NAME	JURISDICTION OF ORGANIZATION
191 Riverneck, LLC	Delaware
199 Riverneck, LLC	Delaware
Mercury Computer Securities Corporation	Massachusetts
Mercury Federal Systems, Inc.	Delaware
Riverneck Road, LLC	Delaware
SolMap Pharmaceuticals, Inc	Delaware
Visage Imaging, Inc.	Delaware
Template Graphics Software, Inc.	California
Mercury Computer System SAS	France
Mercury Computer Systems GmbH	Germany
Visage Imaging GmbH	Germany
Nihon Mercury Computer Systems K.K.	Japan
Mercury Computer Systems N.V.	The Netherlands
Mercury Computer Systems Ltd.	United Kingdom