| 3.1 | | | | | | Restated Certificate of Incorporation of Huntington Ingalls Industries, Inc., filed March 30, 2011 (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on April 4, 2011). | | |
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| 3.2 | | | | | | Certificate of Amendment to the Restated Certificate of Incorporation of Huntington Ingalls Industries, Inc., dated May 28, 2014 (incorporated by reference to Exhibit 3.2 to the Company's Quarterly Report on Form 10-Q filed on August 7, 2014). | | |
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| 3.3 | | | | | | Certificate of Amendment to the Restated Certificate of Incorporation of Huntington Ingalls Industries, Inc., dated May 21, 2015 (incorporated by reference to Exhibit 3.3 to the Company's Quarterly Report on Form 10-Q filed on August 6, 2015). | | |
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| 3.4 | | | | | | Certificate of Amendment to the Restated Certificate of Incorporation of Huntington Ingalls Industries, Inc., dated May 12, 2021 (incorporated by reference to Annex B to the Proxy Statement filed on March 19, 2021). | | |
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| 3.5 | | | | | | Restated Bylaws of Huntington Ingalls Industries, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on November 8, 2022). | | |
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| 31.1 | | | | | | Certification of the Chief Executive Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | |
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| 31.2 | | | | | | Certification of the Chief Financial Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | |
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| 32.1 | | | | | | Certificate of the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | |
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| 32.2 | | | | | | Certificate of the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | |
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| 10.1 | | | | | | Amended and Restated Revolving Credit Agreement, dated as of April 24, 2023, among Huntington Ingalls Industries, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent and an Issuing Bank (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on April 28, 2023). | | |
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| 10.2 | | | | | | Amended and Restated Credit Agreement, dated as of April 24, 2023, among Huntington Ingalls Industries, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K filed on April 28, 2023). | | |
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| 101 | | | | | | The following financial information for the Company, formatted in XBRL (Extensible Business Reporting Language): (i) the Condensed Consolidated Statements of Operations and Comprehensive Income, (ii) the Condensed Consolidated Statements of Financial Position, (iii) the Condensed Consolidated Statements of Cash Flows, (iv) the Condensed Consolidated Statements of Changes in Equity, and (v) the Notes to Condensed Consolidated Financial Statements. | | |
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| 104 | | | | | | The cover page from the Company’s Quarterly Report on Form 10-Q, formatted in Inline XBRL and contained in Exhibit 101. | | |