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:	03/15/2005
Signature:
By:
				Kathleen M. Salmas
				Secretary


Name:				Richmond TAI Corp., a Delaware corporation
Address:			1840 Century Park East
				Los Angeles, CA 90067
Designated Filer:		Northrop Grumman Corporation
Issuer & Ticker Symbol:	NOC
Date of Event
  Requiring Statement:	03/15/2005

Signature:
By:				Kathleen M. Salmas
      Secretary



Name:				Richmond U.K. Inc., a Delaware corporation
Address:			1840 Century Park East
      Los Angeles, CA 90067
Designated Filer:		Northrop Grumman Corporation
Issuer & Ticker Symbol:	NOC
Date of Event
  Requiring Statement:	03/15/2005

Signature:
By:				Kathleen M. Salmas
				Secretary