<PAGE>
                                                                    Exhibit 24.1
                              POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles B. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Gerald L. Baliles
                                             -----------------------------------
                                             Gerald L. Baliles
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Charles A. Bowsher
                                             -----------------------------------
                                             Charles A. Bowsher
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                             /s/ Leon A. Edney
                                             -----------------------------------
                                             Leon A. Edney
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint Stephen B.
Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally and not
jointly, my true and lawful attorneys-in-fact, with full power of substitution
in each, for me and in my name, place and stead to execute for me and on my
behalf in each or any one of my offices and capacities with Newport News
Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual Report
on Form 10-K for the year ended December 31, 2000, with exhibits thereto and
other documents in connection therewith, which the Company contemplates filing
with the Securities and Exchange Commission under the Securities Exchange Act of
1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                             /s/ William P. Fricks
                                            ------------------------------------
                                            William P. Fricks
                                            Chairman and Chief Executive Officer
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ William R. Harvey
                                             -----------------------------------
                                             William R. Harvey
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Shirley Ann Jackson
                                             -----------------------------------
                                             Shirley Ann Jackson
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson and Charles P. Wingfield, Jr., severally and not jointly, my
true and lawful attorneys-in-fact, with full power of substitution in each, for
me and in my name, place and stead to execute for me and on my behalf in each or
any one of my offices and capacities with Newport News Shipbuilding Inc. (the
"Company"), as shown below, the Company's Annual Report on Form 10-K for the
year ended December 31, 2000, with exhibits thereto and other documents in
connection therewith, which the Company contemplates filing with the Securities
and Exchange Commission under the Securities Exchange Act of 1934, as amended,
and any and all amendments to said Form 10-K, hereby ratifying, approving and
confirming all that any such attorney-in-fact may do by virtue of these
presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                             /s/ Charles S. Ream
                                             -----------------------------------
                                             Charles S. Ream
                                             Senior Vice President and Chief
                                             Financial Officer
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Joseph J. Sisco
                                             -----------------------------------
                                             Joseph J. Sisco
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson, Charles S. Ream and Charles P. Wingfield, Jr., severally
and not jointly, my true and lawful attorneys-in-fact, with full power of
substitution in each, for me and in my name, place and stead to execute for me
and on my behalf in each or any one of my offices and capacities with Newport
News Shipbuilding Inc. (the "Company"), as shown below, the Company's Annual
Report on Form 10-K for the year ended December 31, 2000, with exhibits thereto
and other documents in connection therewith, which the Company contemplates
filing with the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended, and any and all amendments to said Form 10-K, hereby
ratifying, approving and confirming all that any such attorney-in-fact may do by
virtue of these presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Stephen R. Wilson
                                             -----------------------------------
                                             Stephen R. Wilson
                                             Director
<PAGE>

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

     The undersigned does hereby make, constitute and appoint William P. Fricks,
Stephen B. Clarkson and Charles S. Ream, severally and not jointly, my true and
lawful attorneys-in-fact, with full power of substitution in each, for me and in
my name, place and stead to execute for me and on my behalf in each or any one
of my offices and capacities with Newport News Shipbuilding Inc. (the
"Company"), as shown below, the Company's Annual Report on Form 10-K for the
year ended December 31, 2000, with exhibits thereto and other documents in
connection therewith, which the Company contemplates filing with the Securities
and Exchange Commission under the Securities Exchange Act of 1934, as amended,
and any and all amendments to said Form 10-K, hereby ratifying, approving and
confirming all that any such attorney-in-fact may do by virtue of these
presents.

     IN WITNESS WHEREOF, I have executed these presents this 22/nd/ day of
March, 2001.


                                              /s/ Charles P. Wingfield, Jr.
                                             -----------------------------------
                                             Charles P. Wingfield, Jr.
                                             Vice President and Controller