2024 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2023 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2022 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2021 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2020 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2018 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2017 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2015 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2014 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2013 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed

2012 42 USC 18387 – Near-Earth object survey and policy with respect to threats posed