UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.    )

Filed by the Registrant  x                            Filed by a Party other than the Registrant  ¨

Check the appropriate box:

¨	Preliminary Proxy Statement
¨	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨	Definitive Proxy Statement
x	Definitive Additional Materials
¨	Soliciting Material under Rule 14a-12
HUNTINGTON INGALLS INDUSTRIES, INC.
(Name of registrant as specified in its charter)
(Name of person(s) filing proxy statement, if other than the registrant)
Payment of Filing Fee (Check the appropriate box):
x	No fee required.
¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
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¨	Fee paid previously with preliminary materials.
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	Vote by Internet
	•  Go to www.envisionreports.com/HII
	•  Or scan the QR code with your smartphone
	•  Follow the steps outlined on the secure website

Important Notice Regarding the Availability of Proxy Materials for the Huntington Ingalls Industries, Inc. Annual Meeting of Stockholders to be Held on April 29, 2016 at 11:00 a.m. EDT

Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual meeting of stockholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important!

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The proxy statement and annual report to stockholders are available at:

        Easy Online Access — A Convenient Way to View Proxy Materials and Vote   When you go online to view materials, you can also vote your shares.   Step 1: Go to www.envisionreports.com/HII to view the materials. Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. Step 4: Make your selection as instructed on each screen to select delivery preferences and vote.

When you go online, you can also help the environment by consenting to receive electronic delivery of future materials.

            Obtaining a Copy of the Proxy Materials – If you want to receive a copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side on or before April 19, 2016 to facilitate timely delivery.

02AYNA

Huntington Ingalls Industries, Inc.’s Annual Meeting of Stockholders will be held on April 29, 2016, at the Herbert H. Bateman Virginia Advanced Shipbuilding and Carrier Integration Center (VASCIC), 2401 West Avenue, Newport News, Virginia 23607, at 11:00 a.m. Eastern Daylight Time.

Proposals to be voted on at the meeting are listed below, along with recommendations of the Board of Directors. The Board of Directors recommends a vote FOR the three director nominees and FOR Proposals 2 and 3.

1. Elect three directors: Thomas B. Fargo, John K. Welch and Stephen R. Wilson

2. Ratify the appointment of Deloitte & Touche LLP as our independent auditors for 2016

3. Approve executive compensation on an advisory basis

PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you.

Directions to the Huntington Ingalls Industries, Inc.

2016 Annual Meeting of Stockholders

Driving Directions

From Interstate I-64, take Exit 264 to Interstate I-664 South;

From I-664, take Exit 6 to 26th Street;

Continue on 26th Street until it intersects with West Avenue at a stop sign;

Turn Left onto West Avenue; and then

Turn Right into VASCIC;

Continue into the covered garage for parking.

	Here’s how to order a copy of the proxy materials and select a future delivery preference:
	Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below.
	Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below. If you request an email copy of current materials, you will receive an email with a link to the materials.
	PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a set of proxy materials.
	g	Internet – Go to www.envisionreports.com/HII. Click Cast Your Vote or Request Materials. Follow the instructions to log in and order a copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials.
	g	Telephone – Call us free of charge at 1-866-641-4276 and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings.
	g	Email – Send email to investorvote@computershare.com with “Proxy Materials Huntington Ingalls Industries, Inc.” in the subject line. Include in the message your full name and address, plus the number located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings.
		To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by April 19, 2016.
	02AYNA