public entity. (B) The applicant shall be approved by the chief executive officer of the State, local, territorial, or tribal government for the applicant's principal place of business, prior to seeking designation by the Administrator. (C) The applicant shall not have been selected previously by the Administrator to sponsor or host a test range covered by this section. (D) The applicant shall undertake and ensure testing in innovative concepts, technologies, and operations that will offer new safety benefits, including expanding advanced research and developing and retaining an advanced aviation industrial base within the United States. (E) The applicant shall meet any other requirements established by the Administrator in a competitive selection process. (b) Airspace requirements (1) In general In carrying out the program under subsection (a), the Administrator may establish, upon the request of a test range sponsor designated by the Administrator under subsection (a), a restricted area, pursuant to part 73 of title 14, Code of Federal Regulations, for purposes of— (A) accommodating hazardous research, development, testing, and evaluation activities to inform the safe integration of unmanned aircraft systems into the national airspace system