Answer :
Final answer:
The authorized boots for the Navy Working Uniform (NWU) are the standard issue black smooth leather, 9-inch steel-toed boots. option c.
Explanation:
When wearing the Navy Working Uniform (NWU), the type of boots that are authorized are Black Smooth Leather Boots. These boots are also known as "9-inch black steel-toed boots", and they are standard issue.
It's important to note that this uniform regulation is specific to the United States Navy, and personnel are required to adhere to specific guidelines regarding uniform wear. Other types of boots, such as combat boots, jungle boots, and flight deck boots, may be authorized for specific duties or environments, but for general wear with the NWU, black steel-toed boots are the standard.