Final answer:
Core GCSS-Army transactions for Unit Supply are accessed through specific transaction codes within the GCSS-Army system, typically under the GCSS-Army Unit Supply area.
Step-by-step explanation:
The core GCSS-Army transactions for Unit Supply are typically accessed through specific transaction codes within the GCSS-Army system. The transaction codes are designed to help users navigate the system efficiently so they can manage and report on inventory, equipment, and other logistical tasks. While the exact code used can depend on the specific processes and functions a user needs to access, in general, transaction codes under the GCSS-Army Unit Supply area are utilized for these tasks.