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:	09/07/2005
Signature:

By:				/s/ Kathleen M. Salmas

				Kathleen M. Salmas
				Secretary