; 38 U.S.C. 1710 note) is amended— (1) by inserting (1) before The program ; and (2) by adding at the end the following new paragraph: (2) The program shall be carried out at not fewer than two medical centers or clinics in each Veterans Integrated Service Network by not later than December 31, 2019, and at not fewer than 50 percent of all medical centers in each Veterans Integrated Service Network by not later than December 31, 2021. . (b) (1) Paragraph (6) of section 1701 of title 38, United States Code, is amended by adding at the end the following new subparagraph: (H) Chiropractic services. . (2) Paragraph (8) of such section is amended by inserting chiropractic, after counseling, . (3) Paragraph (9) of such section is amended— (A) by redesignating subparagraphs (F) through (K) as subparagraphs (G) through (L), respectively; and (B) by inserting after subparagraph (E) the following new subparagraph (F): (F) periodic and preventive chiropractic examinations and services; . 247. (a) Pilot program The Secretary of Veterans Affairs shall carry out a pilot program to provide educational assistance to certain former members of the Armed Forces for education and training as physician assistants of the Department of Veterans Affairs. (b) Eligible Individuals An individual is eligible to participate in the pilot program if the individual— (1) has medical or military health experience gained while serving as a member of the Armed Forces; (2) has received a certificate, associate degree, baccalaureate degree, master's degree, or postbaccalaureate training in a science relating to health care