filling of vacancies; grounds for removal. Qualifications. Assignment and transfer. Oath of office; by whom administered. Uniforms and equipment. Efficiency and medical examining boards — Consideration by; composition and appointment of. Efficiency and medical examining boards — Powers; procedure for appearances; discharge; transfer to reserve or retired list. Resignations; acts constituting resignation; types of discharge after resignation; resignation of officers who are accountable for military funds or property. Absence without leave. Warrant officers. Appointment and promotion of commissioned officers; 358 Pay while on active service; special duty; travel expenses; minimum base pay. Pay, care, etc., when injured or disabled in service; pensions; medical examining boards; rehearings [Repealed]. Sec.