; and (2) undertake studies of recruiting efforts that are necessary to carry out the provisions of this section. III Advancement of Military, National, and Public Service 300. Definitions In this title, the terms Executive agency and military department have the meanings given those terms in sections 105 and 102 of title 5, United States Code, respectively. A Advancement of military service 301. New personnel management structure for military specialists (a) Plan for personnel management The Secretary of each military department shall develop a plan to implement a new personnel management structure in such military department for the purpose of recruiting and retaining personnel for specific military occupational specialties requiring skills that are critical to meet current and future military requirements, including specialties involving science, technology, cyber security, and engineering. (b) Plan requirements Each plan under subsection (a) shall— (1) be based on the exercise of existing authorities; (2) examine the successes in recruiting and retaining personnel for other military occupational specialties requiring specific skills, such as medical workers, attorneys, and chaplains; and (3) examine methods to improve recruiting and retaining personnel for the military occupational specialties described in subsection (a) based on— (A) methods for members of the Armed Forces to transition more easily between regular and reserve components