This bill extends the tax credit for health insurance costs to eligible national defense or infrastructure workers. An eligible national defense or infrastructure worker is an individual who was employed in a critical industry as of January 31, 2020, filed for unemployment compensation after such date, and is covered by health insurance. A critical industry is an industry related to critical national infrastructure or national defense and is severely distressed due to COVID-19 (i.e., the coronavirus disease 2019). The bill also extends the tax credit through 2022.