Final answer:
The BSPC is chaired by a high-ranking official from the host military branch or installation, and is responsible for planning and coordinating base support activities.
Step-by-step explanation:
The chair of the Base Support Planning Committee (BSPC) is typically a high-ranking official from the host military branch or installation. This committee is tasked with ensuring that all base support activities and initiatives are effectively planned and coordinated.
The BSPC plays a critical role in the management and implementation of base operations, resources, and infrastructural support, focusing on the optimization of services provided to military personnel.