Final answer:
A post exchange is a shopping center on a military base for military personnel, offering a variety of goods and services.
Step-by-step explanation:
A post exchange on a military base is a shopping center specifically for military personnel. It provides a range of goods and services, including groceries, clothing, electronics, and restaurants. These facilities are often tax-free and offer discounts for military members.
For example, the Army and Air Force Exchange Service (AAFES) operates post exchanges on US Army and Air Force bases, while the Navy Exchange (NEX) operates them on US Navy bases. These exchanges contribute to the well-being and support of military communities.
Learn more about Post exchange on military base