rrd84604_95265.html

EX-99. 2 rrd84604_95265.htm JOINT FILER INFORMATION rrd84604_95265.html

Exhibit 99


Form 4 Joint Filer Information


Name:  			Northrop Grumman Space & Mission Systems Corp.,
				an Ohio corporation
Address: 			1840 Century Park East
				Los Angeles, CA 90067
Designated Filer:		Northrop Grumman Corporation
Issuer & Ticker Symbol:	NOC
Date of Event
  Requiring Statement:	11/22/2005
Signature:

By:
				Kathleen M. Salmas
				Secretary