; (2) identify supply chain risks and proposed actions to prevent and mitigate such risks; (3) consider any other issues the Secretary determines appropriate to ensure the cybersecurity of a civil space situational awareness capability; (4) seek input from stakeholders, including other relevant Federal Government agencies. private industry, academia, and other relevant entities; and (5) include a classified appendix, if necessary. (c) Transmittal and briefing Not later than one year after the date of the enactment of this Act, the Secretary shall transmit to the appropriate committees of Congress a copy of the cybersecurity plan under subsection (a) and, not later than 21 days after such transmittal, provide to such committees an unclassified briefing on such plan. 602. Study on international cooperation in space situational awareness (a) Study The Secretary, in consultation with the Administrator and the heads of other relevant Federal agencies, shall carry out a study on international cooperation in space situational awareness. Such study shall— (1) examine the extent to which the United States is involved in and leading international cooperation in space situational awareness; (2) consider how other countries are approaching space situational awareness, including the provision of space situational awareness services and information; (3) identify the formal and informal agreements that are in place to support international cooperation in space situational awareness; (4) identify how United States international relations in space situational awareness can be strengthened and cooperation improved