Rap Back vetting Not later than 180 days after the date of the enactment of this Act, the Administrator shall ensure that all credentialed aviation worker populations are continuously vetted through the Federal Bureau of Investigation’s Rap Back Service, in order to more rapidly detect and mitigate insider threats to aviation security. (c) Insider threat education and mitigation Not later than 180 days after the date of the enactment of this Act, the Administrator shall identify means of enhancing the Administration’s ability to leverage the resources of the Department of Homeland Security and the intelligence community to educate Administration personnel on insider threats to aviation security and how the Administration can better mitigate such insider threats. (d) Playbook operations The Administrator shall ensure that Administration-led employee screening efforts, known as Playbook operations, are targeted, strategic, and focused on providing the greatest level of security effectiveness. (e) Covert testing (1) In general The Administrator shall increase covert testing of employee screening operations at airports and measure existing levels of security effectiveness. The Administrator shall provide to air carriers, foreign air carriers, airport operators, airport vendors, and airport concessionaires— (A) the results of such testing