The recipient of a grant under section
12571
(a) of this title and each Federal agency receiving assistance under section
12571
(b) of this title shall use the assistance, directly or through subgrants to other entities, to carry out full- or part-time national service programs, including summer programs, that address unmet human, educational, environmental, or public safety needs. Subject to subsection (b)(1) of this section, these national service programs may include the following types of national service programs: