49 U.S.C. § 46307
Violation of national defense airspace
A person that knowingly or willfully violates section 40103(b)(3) of this title or a regulation prescribed or order issued under section 40103(b)(3) shall be fined under title 18, imprisoned for not more than one year, or both. If a person is convicted of a second or subsequent offense under this section, the punishment shall be imprisonment for not more than 5 years, a fine under title 18, or both.
( Pub. L. 103–272, § 1(e) , July 5, 1994 , 108 Stat. 1237 ; Pub. L. 119–60, div. H, title LXXXVI, § 8605(b) , Dec. 18, 2025 , 139 Stat. 1943 .)