The Reserve. Each branch of the military has a Reserve component and the Reserve are under the command of their respective military branch (e.g., Army Reserve are under the command of the Army). The purpose of the Reserve is to provide and maintain trained units and qualified persons to be available for active duty in the armed forces when needed.What is an active duty reserve?
Active Reserve. Reserve soldiers, on the other hand, normally serve in a unit with a commitment of one weekend per month, and two weeks in the summer. When needed, they are activated to perform an operation on active duty for a specific amount of time.What is active duty in the Navy?
Active duty is a full-time occupation as part of a military force, as opposed to reserve duty.