EXHIBIT 21.1

SUBSIDIARIES OF THE REGISTRANT

NAME	JURISDICTION OF ORGANIZATION
191 Riverneck, LLC	Delaware
199 Riverneck, LLC	Delaware
Mercury Federal Systems, Inc.	Delaware
Riverneck Road, LLC	Delaware
SolMap Pharmaceuticals, Inc	Delaware
Template Graphics Software, Inc.	California
Nihon Mercury Computer Systems K.K.	Japan
Myraid Logic, Inc.	Maryland
Mercury Computer Securities Corporation	Massachusetts
Mercury Computer Systems N.V.	The Netherlands
Mercury Computer Systems Ltd.	United Kingdom
Advanced Radio Corporation	Virginia