; (2) provides a description of steps taken to achieve the safe integration of such systems into the national airspace system, including milestones and performance metrics to track results; (3) provides the costs of executing the integration described in paragraph (2), including any estimates of future Federal resources or investments required to complete such integration; and (4) identifies any regulatory or policy changes required to execute the integration described in paragraph (2). 922. Extension of Know Before You Fly campaign Section 356 of the FAA Reauthorization Act of 2018 ( Public Law 115–254 ) is amended by striking 2019 through 2023 and inserting 2024 through 2028 . 923. Public aircraft definition Section 40125(a)(2) of title 49, United States Code, is amended— (1) by striking research, or and inserting research, ; and (2) by inserting (including data collection on civil aviation systems undergoing research, development, test, or evaluation at a test range (as such term is defined in section 44801)), infrastructure inspections, or any other activity undertaken by a governmental entity that the Administrator determines is inherently governmental after biological or geological resource management . 924. FAA comprehensive plan on UAS automation (a) Comprehensive plan The Administrator shall establish a comprehensive plan for the integration of autonomous unmanned aircraft systems into the national airspace system. (b) Comprehensive plan contents In establishing the comprehensive plan under subsection (a), the Administrator shall— (1) identify FAA processes and regulations that need to change to accommodate the increasingly automated role of a remote operator of an unmanned aircraft system