Final answer:
The reference provided does not contain the specific year the Naval Reserve Meritorious Service Medal was authorized, hence an accurate response cannot be given based on the given resources.
Step-by-step explanation:
The question regarding which year was the Naval Reserve Meritorious Service Medal (NRMSM) authorized pertains to the field of military history. However, the provided reference information does not contain the specific year that the NRMSM was authorized, making it impossible to directly answer the question from the given resources.
Typically, this would be found through a source that discusses awards and decorations of the United States military, or more specifically, the history of awards given in the naval services.