Final answer:
A Brief MSWO is a concise wartime order, while an MSWO is a comprehensive logistics document used during wartime.
Step-by-step explanation:
The difference between a Brief MSWO and MSWO in history is:
A Brief MSWO refers to a Message and Signal Wartime Order that is used during times of war to transmit important information and commands within the military. It is a concise and time-sensitive document that provides instructions and directives to military personnel.
On the other hand, an MSWO stands for Main Supply and War Order, which is a comprehensive and detailed document used in the military logistics system. It covers various aspects such as supply chains, transportation, and resource allocation in order to support military operations during wartime.