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                                                                     EXHIBIT 24


                                POWER OF ATTORNEY

     THE UNDERSIGNED members of the Committee on Employee Benefits of the BDM
401(k) Savings Plan (the "Plan") hereby appoint D. B. Goldston, W. B. Lawrence,
D. F. Menz, K. C. Syrvalin, K. A. Weigand and J. L. Manning, Jr., and each of
them, as attorneys for the Plan and for the undersigned, with full power of
substitution and resubstitution, for and in the name, place and stead of the
Plan and the undersigned, to prepare or cause to be prepared, to execute and
file with the Securities and Exchange Commission, Washington, D. C. (the
"Commission") (i) an annual report on Form 11-K for the fiscal year ended
December 31, 1998, or information in lieu thereof, and any transition reports
under the Securities Exchange Act of 1934 (the "Exchange Act"); (ii) a
registration statement or statements on Form S-8 or any other appropriate form
or forms pursuant to the Securities Act of 1933, as amended (the "Act"), for the
purpose of registering participations in the Plan, and, if appropriate, shares
of Common Stock of TRW Inc. to be acquired, issued, contributed or sold in
connection with the Plan; and (iii) any and all amendments, including
post-effective amendments, and exhibits to such annual report and registration
statements, and any and all applications or other documents to be filed with the
Commission or elsewhere pertaining to the securities to which such registration
statement(s) relate(s), with full power and authority to take or cause to be
taken all other actions deemed necessary or appropriate to effect the filing of
the annual report, or information in lieu thereof, under the Exchange Act or the
registration under the Act of the participations in and, if appropriate, the
shares of Common Stock of TRW Inc. offered or to be offered pursuant to the
Plan.


                            EXECUTED on the dates set forth below.

                              /s/ Donna Kasle
                            -------------------------------
                            Donna Kasle
                            Committee on Employee Benefits
                            June 29, 1999


                              /s/ Ann E. Killian
                            -------------------------------
                            Ann E. Killian
                            Committee on Employee Benefits
                            June 29, 1999


                               /s/ Kathy Lazar
                            -------------------------------
                            Kathy P. Lazar
                            Committee on Employee Benefits
                            June 29, 1999