; (ii) is designed to travel in the air, on or under the ocean surface, on land, or any combination thereof; and (iii) functions without an on-board human presence. (B) Inclusions The term unmanned maritime system includes— (i) associated components, such as control and communications, data transmission, and processing systems; (ii) an unmanned undersea vehicle; (iii) an unmanned surface vehicle; (iv) an unmanned aerial vehicle; (v) an autonomous underwater vehicle; (vi) an autonomous surface vehicle; and (vii) an autonomous aerial vehicle. (2) Available unmanned maritime systems The term available unmanned maritime systems includes unmanned maritime systems that can be purchased commercially or are available to the Coast Guard in coordination with the Department of Defense or other Federal agency. 404. Unmanned aircraft systems testing (a) Training area The Commandant shall carry out and update, as appropriate, a program for the use of a training area to facilitate the use of unmanned aircraft systems and small unmanned aircraft systems to support missions of the Coast Guard. (b) Designation of area (1) In general Not later than 180 days after the date of enactment of this Act, the Commandant shall, as part of the program under subsection (a), designate an area for the training, testing, and development of unmanned aircraft systems and small unmanned aircraft systems. (2) Considerations In designating a training area under paragraph (1), the Commandant shall— (A) select an area that leverages the capabilities of the common test site for unmanned aircraft systems of the Department of Homeland Security