Whoever knowingly transports aboard any vessel within the United States and on waters subject to the jurisdiction of the United States or any vessel outside the United States and on the high seas or having United States nationality an explosive or incendiary device, biological agent, chemical weapon, or radioactive or nuclear material, knowing that any such item is intended to be used to commit an offense listed under section 2332b(g)(5)(B), shall be fined under this title or imprisoned for any term of years or for life, or both.
(c)Definitions.—In this section:
The term “chemical weapon” has the meaning given that term in section 229F(1).
(4)Explosive or incendiary device.—
(6)Radioactive material.—The term “radioactive material” means—
nuclear by-product material;
(8) Source material.—