; and (B) establish or designate 1 or more facilities or training centers for the purpose described in subparagraph (A). (3) Coordination for research, testing, training, and evaluation (A) In general The Secretary, the Attorney General, and the heads of the State, local, Tribal, or territorial law enforcement agencies designated pursuant to subsection (d)(2) shall coordinate procedures governing research, testing, training, and evaluation to carry out any provision under this subsection with the Administrator of the Federal Aviation Administration before initiating such activity in order that the Administrator of the Federal Aviation Administration may ensure the activity does not adversely impact or interfere with safe airport operations, navigation, air traffic services, or the safe and efficient operation of the national airspace system. (B) Additional requirement Each head of a State, local, Tribal, or territorial law enforcement agency designated pursuant to subsection (d)(2) shall coordinate the procedures governing research, testing, training, and evaluation of the law enforcement agency through the Secretary and the Attorney General, in coordination with the Federal Aviation Administration. (g) Forfeiture Any unmanned aircraft system or unmanned aircraft that is lawfully seized by the Secretary or the Attorney General pursuant to subsection (b) is subject to forfeiture to the United States pursuant to the provisions of chapter 46 of title 18, United States Code. (h) Regulations and guidance The Secretary, the Attorney General, and the Secretary of Transportation— (1) may prescribe regulations and shall issue guidance in the respective areas of each Secretary or the Attorney General to carry out this section