; (B) supersonic flight research; (C) sending the Voyager probes to explore the solar system; and (D) the United States landing the first man on the lunar surface. 3. Congressional Gold Medals (a) Presentation authorized The Speaker of the House of Representatives and the President pro tempore of the Senate shall make appropriate arrangements for the presentation, on behalf of Congress, of 5 gold medals of appropriate design as follows: (1) One gold medal to Katherine Johnson in recognition of her service to the United States as a mathematician. (2) One gold medal to Dr. Christine Darden for her service to the United States as an aeronautical engineer. (3) In recognition of their service to the United States during the Space Race— (A) 1 gold medal commemorating the life of Dorothy Vaughan; and (B) 1 gold medal commemorating the life of Mary Jackson. (4) One gold medal in recognition of all women who served as computers, mathematicians, and engineers at the National Advisory Committee for Aeronautics and the National Aeronautics and Space Administration between the 1930s and the 1970s (referred to in this section as recognized women ). (b) Design and striking For the purpose of the awards under subsection (a), the Secretary of the Treasury (referred to in this Act as the Secretary ) shall strike each gold medal described in that subsection with suitable emblems, devices, and inscriptions, to be determined by the Secretary. (c) Transfer of certain medals after presentation (1) Smithsonian Institution (A) In general After the award of the gold medal commemorating the life of Dorothy Vaughan under subsection (a)(3)(A) and the award of the gold medal in recognition of recognized women under subsection (a)(4), those medals shall be given to the Smithsonian Institution where the medals shall be— (i) available for display, as appropriate