2024 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2023 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2022 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2021 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2020 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2018 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2017 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2015 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2014 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2013 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.

2012 42 USC 18353 – Maintenance of the United States segment and assurance of continued operations of the International Space Station.