; (3) develop, test, and evaluate smart airport technology and processes as they relate to mitigating public health risks presented by COVID–19 in airports and passenger aircraft; and (4) leverage concentrations of aviation, transportation security, and public health capital to accelerate innovation in airports and passenger aircraft. (c) Grant awards The Secretary of Transportation, in consultation with the Secretary of Health and Human Services and the Secretary of Homeland Security, may provide grants under the Program to eligible entities to carry out development, testing, or evaluation of public health risk mitigation measures related to the public health risks presented by COVID–19 in airports and passenger aircraft. (d) Publication of notice of grant opportunity Not later than 90 days after the date of enactment of this Act, the Secretary of Transportation publish in the Federal Register a notice of grant opportunity for grants available under the Program. (e) Eligible entities Entities eligible to receive funding under the Program may include— (1) State, local, and Tribal governments; (2) commercial airline operators; (3) airports; (4) hospitals and other public health institutions; (5) institutions of higher education; (6) relevant research and development nonprofit organizations that are exempt from tax under section 501(c)(3) of the Internal Revenue Code of 1986; (7) relevant labor organizations; (8) relevant private-sector manufacturers and service providers