2024 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2023 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2022 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2021 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2020 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2018 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2017 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2015 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2014 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2013 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production

2012 42 USC 18385 – On-going restoration of radioisotope thermoelectric generator material production