NASA, may conduct research and development activities into the following: (1) The qualification of hydrogen aviation fuel. (2) The safe transition to such fuel for aircraft. (3) The advancement of certification efforts for such fuel. (4) Risk mitigation measures for the use of such fuel in aircraft systems, including propulsion and storage systems. 204. Report on future electric grid resiliency Not later than two years after the date of the enactment of this Act, the Administrator, in coordination with the Secretary of Energy, shall submit to the appropriate committees of Congress a report on the model use of the electrical grid to support future electric advanced air mobility, including cost, challenges, and opportunities for clean generation of electricity relating to such support. 205. Air traffic surveillance over oceans and other remote locations (a) Air traffic surveillance over oceans Subject to the availability of appropriations for such purpose, the Administrator, in consultation with the Administrator of NASA and the heads of other relevant Federal agencies, shall carry out research, development, demonstration, and testing on civilian air traffic surveillance over oceans and other remote locations. (b) Requirements In carrying out the research, development, demonstration, and testing under subsection (a), the Administrator shall— (1) consider the need for international interoperability of technologies, data, operations, and air traffic control systems