February 21, 2001

Exhibit 10(bb)

February 21, 2001

Xx. Xxxxxx X. Xxxxxxxxx
Xxxx Communications Research
Xxxxxx Corporate Center (MCC)
000 Xxxxx Xxxxxx
Xxxxxxxxxx, Xxx Xxxxxx 00000-0000

Dear Xxxxxx:

In accordance with the terms of the letter between you and TRW Inc., dated September 18, 1997 (the “Initial Agreement”), a copy of which is attached as Exhibit A hereto, this letter confirms our mutual agreement to renew the Initial Agreement for a period of twelve months (as renewed, the “Agreement”). The Agreement will become effective on January 1, 2001 and will terminate on December 31, 2001. The terms and conditions of the Agreement shall otherwise remain as set forth in the Initial Agreement.

If you agree, please sign two copies of this letter, return one copy to me and keep the other copy for your records.

Sincerely,

/s/ Xxxxx X. Xxxx

Xxxxx X. Xxxx

ACCEPTED:

/s/ Xxxxxx X. Xxxxxxxxx                 
Xx. Xxxxxx X. Xxxxxxxxx

Date:  February 21, 2001