; and (ii) represents a traditionally underserved population, including veterans, Indians, and disadvantaged youth (as defined in section 101 of the National and Community Service Act of 1990 ( 42 U.S.C. 12511 )). (3) Compensation for participants A 21CSC organization shall provide compensation to each Corpsmember that includes 1 or more of the following: (A) A wage. (B) A stipend. (C) A living allowance. (D) An educational credit that may be applied towards a program of postsecondary education at an institution of higher education that agrees to award the credit for participation in a 21CSC project. (4) Organization of service for participants In carrying out a 21CSC project, a 21CSC organization shall, to the maximum extent practicable, organize each Corpsmember as— (A) a crew-based participant who— (i) serves together with other crew-based participants; and (ii) is directly supervised by a trained and experienced crew-based leader or conservation professional; or (B) an individual or small team-based participant who serves— (i) individually or in a coordinated small team, as applicable; (ii) under the direction of a conservation professional; and (iii) on an initiative that requires specific skills and dedicated attention. (5) 21CSC projects A 21CSC organization shall carry out a 21CSC project that includes national service, and may be a priority project, involving— (A) the conservation, restoration, and enhancement of— (i) a unit of the National Park System or National Forest System; (ii) public or tribal land or water; or (iii) natural, cultural, or historical resources or treasures; (B) the conservation, restoration, management, and development of the natural resources and infrastructure of the United States, including— (i) removal of invasive species; (ii) wildfire prevention and response; (iii) disaster resiliency, mitigation, response, and recovery; (iv) trail development and maintenance; (v) coastal restoration and resiliency; (vi) historic preservation; (vii) public safety