Which of the following is a warrant officer's MOS for a Human Resources (HR) Technician?

The correct answer, 420A, designates the Military Occupational Specialty (MOS) for a Human Resources (HR) Technician within the warrant officer ranks. This MOS encompasses the responsibilities and expertise required for warrant officers focused on personnel management and operational HR support.

Warrant officers in this role are trained to handle critical HR functions, including the management of personnel records, processing evaluations, and advising commanders on personnel matters. The designation reflects a significant level of specialization and technical knowledge required to excel in HR operations within the military framework.

On the other hand, the other MOS options refer to different fields. For instance, 153A pertains to an aircraft maintenance specialty, while 250N relates to a network management technician. Each of these MOS groups serves a distinct operational purpose in different domains of the military, further underscoring the unique role and importance of the 420A in the context of human resources.