POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Tiffany M. King and Elaine S. Chin,
signing singly, the undersigned?s true and lawful attorney-in-fact
to:

(1)	execute for and on behalf of the undersigned,
in the undersigned's capacity as an  officer of Huntington
Ingalls Industries, Inc. (the Company), Forms 3, 4, and 5
in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder;

(2)	do and perform any and all acts for and on behalf
of the undersigned that may be necessary or desirable to
complete and execute any such form 3, 4, or 5 and timely
file such form with the United States Securities and
Exchange Commission and any stock exchange or similar
authority; and

(3)	take any other action of any type whatsoever in
connection with the foregoing that, in the opinion of
such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it
being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act
and thing whatsoever requisite, necessary, or proper to be
done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done
by virtue of this power of attorney and the rights and powers
herein granted.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4,
and 5 with respect to the undersigned's holdings of and transactions
in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 9 day of December, 2024.



___/s/ Stephen R. Powell______
Stephen R. Powell, Officer