Subchapter B - PERSONNELBrowse as ListSearch WithinPart 21 - COMMISSIONED OFFICERS (§§ 21.1 — 21.75)Part 22 - PERSONNEL OTHER THAN COMMISSIONED OFFICERS (§§ 22.3 — 22.5)Part 23 - NATIONAL HEALTH SERVICE CORPS (§§ 23.1 — 23.13)Part 24 - SENIOR BIOMEDICAL RESEARCH AND BIOMEDICAL PRODUCT ASSESSMENT SERVICE (§§ 24.1 — 24.9)