; (C) review, modify, accept, or approve industry-developed standards, means of compliance, and declarations of compliance; (D) consult and coordinate with subject matter experts from all relevant lines of business and staff offices in carrying out the duties described in this paragraph in a timely and efficient manner; (E) hire full time equivalent employees, as appropriate, to build expertise within the Office in assessing new technologies and novel risk mitigations; (F) manage the UAS Certification Unit (as described in subsection (v)); and (G) engage in any other activities deemed necessary by the Associate Administrator to carry out the purposes described in paragraph (3). (5) Definitions In this subsection: (A) Beyond visual line of sight