; (ii) that maintains residency programs and fellowships in critical trauma specialties and subspecialties, and provides education and supervision of military trauma team members according to those specialties and subspecialties; and (iii) that undertakes research in the prevention and treatment of traumatic injury. (E) Such trauma center serves as a disaster response leader for its community, such as by participating in a partnership for State and regional hospital preparedness established under section 319C–2. (3) Major trauma The term major trauma means an injury that is greater than or equal to 15 on the injury severity score. (4) Military trauma team The term military trauma team means a complete military trauma team consisting of military trauma care providers. (5) Military trauma care provider The term military trauma care provider means a member of the Armed Forces who furnishes emergency, critical care, and other trauma acute care, including a physician, military surgeon, physician assistant, nurse, respiratory therapist, flight paramedic, combat medic, or enlisted medical technician. (f) Authorization of appropriations For each of fiscal years 2018 through 2022, there are authorized to be appropriated— (1) $20,000,000 for carrying out subsection (a); and (2) $20,000,000 for carrying out subsection (b). .