Acquisition logistics primarily focuses on what aspect of systems?

Acquisition logistics is fundamentally concerned with the supportability of systems throughout their lifecycle. This focus on supportability includes ensuring that the system can be sustained effectively and efficiently once it is operational. Factors such as maintenance requirements, logistics support, training, and overall readiness are integral to this aspect. It's essential for a system to not only be delivered but also to be maintained over time, which is where acquisition logistics plays a critical role.

In the context of the other options, while technical documentation, regulatory compliance, and project scheduling are important elements in the overall systems engineering process, they do not encapsulate the essence of acquisition logistics. Technical documentation supports the understanding and operation of the system, regulatory compliance ensures that relevant laws and standards are met, and project scheduling pertains to the timeline for task execution. However, none of these aspects directly relate to the ongoing support and sustainment that acquisition logistics specifically emphasizes. Thus, supportability implications are the primary focus of acquisition logistics, aligning with the needs of a sustainable and operable system beyond initial deployment.