Newport News Industrial S-4 Registration of securities issued in business combination transactions

Exhibit 3.20

	ROSS MILLER Secretary of State 204 North Carson Street, Suite 1 Carson City, Nevada 89701-4520 (775) 684-5708 Website: www.nvsos.gov
		Filed in the office of	Document Number
		/s/ Ross Miller	20110322300-04
		Ross Miller	Filing Date and Time
		Secretary of State	04/28/2011 3:08 PM
		State of Nevada	Entity Number
			C7846-1985
Certificate of Amendment
(PURSUANT TO NRS 78.385 AND 78.390)
USE BLACK INK ONLY - DO NOT HIGHLIGHT		ABOVE SPACE IS FOR OFFICE USE ONLY

Certificate of Amendment to Articles of Incorporation

For Nevada Profit Corporations

(Pursuant to NRS 78.385 and 78.390 - After Issuance of Stock)

1. Name of corporation:

Northrop Grumman Ship Systems International, Inc.

2. The articles have been amended as follows: (provide article numbers, if available)

Article FIRST of the Articles of Incorporation be and it hereby is amended in its entirety to read as follows:

The name of the corporation is

Huntington Ingalls Industries International Shipbuilding, Inc.

3. The vote by which the stockholders holding shares in the corporation entitling them to exercise a least a majority of the voting power, or such greater proportion of the voting power as may be required in the case of a vote by classes or series, or as may be required by the provisions of the articles of incorporation* have voted in favor of the amendment is:100%

4. Effective date of filing: (optional)
	(must not be later than 90 days after the certificate is filed)

5. Signature: (required)

Signature of Officer

* If any proposed amendment would alter or change any preference or any relative or other right given to any class or series of outstanding shares, then the amendment must be approved by the vote, in addition to the affirmative vote otherwise required, of the holders of shares representing a majority of the voting power of each class or series affected by the amendment regardless to limitations or restrictions on the voting power thereof.

IMPORTANT: Failure to include any of the above information and submit with the proper fees may cause this filing to be rejected.

This form must be accompanied by appropriate fees.	Nevada Secretary of State Amend Profit-After
	Revised: 3-6-09