Whoever engages in conduct that would be punishable under section
of this title if committed within the jurisdiction of the United States, or attempts or conspires to do so, knowing or intending to provide, directly or indirectly, anything of pecuniary value to any person or organization that has engaged or engages in terrorist activity (as defined in section
) or terrorism (as defined in section
), shall be sentenced to a term of imprisonment of not less than twice the minimum punishment under section
, and not more than life, a fine in accordance with the provisions of title 18, or both. Notwithstanding section
, any sentence imposed under this subsection shall include a term of supervised release of at least 5 years in addition to such term of imprisonment.