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We are aware that our report dated October 20, 2025, on our review of the interim financial information of Northrop Grumman Corporation and subsidiaries appearing in this Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, is incorporated by reference in Registration Statement Nos. 033-59815, 033-59853, 333-67266, 333-100179, 333-107734, 333-121104, 333-125120, 333-127317, 333-175798, 333-273482, and 333-281008 on Form S-8, 333-270497 on Form S-3, and 333-264549 on Form S-4.