; Staffing The air cargo security office established pursuant to subsection (a) shall be headed by an individual in the Senior Executive Service and be staffed by not fewer than four full-time equivalents, including the head of the office. . (b) Clerical amendment The table of sections at the beginning of chapter 449 of title 49, United States Code, is amended by inserting after the item related to section 44946 the following new item: 44947. Air cargo security office. . 3. Pilot program for air cargo computed tomography (a) In general Not later than 90 days after the date of the enactment of this Act, the Administrator of the Transportation Security Administration, in coordination with the Under Secretary for Science and Technology of the Department of Homeland Security, shall conduct a pilot program to test the expanded use of screening equipment using computed tomography technology to screen air cargo on passenger-carrying aircraft. Such program shall conclude not later than two years after such program is commenced. (b) Briefings Not later than six months after the beginning of the pilot program under subsection (a) and every six months thereafter until the completion of such program, the Administrator of the Transportation Security Administration shall brief the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate on the progress of such program. (c) Report Not later than 90 days after completion of the pilot program under subsection (a), the Administrator of the Transportation Security Administration shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report on the results of such pilot program with, as appropriate, a plan to integrate computed tomography technology into domestic and international air cargo screening operations, including at overseas last point of departure airports. 4. Air cargo regulation review (a)