As filed with the Securities and Exchange Commission on December 17, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Nukkleus Inc. (Exact name of registrant as specified in its charter) (Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices) Menachem Shalom Nukkleus Inc. Chief Executive Officer 575 Fifth Ave., 14th Floor New York, ...