Miss. Code Ann. § 33-7-21: Miss. Code Ann. § 33-7-21

Whenever the Mississippi National Guard, or any part thereof, attends field training, armory drills, training assemblies, or other military training or military duty for which federal funds are available, they shall receive such pay and allowances as may be allowed them by the federal government to be paid out of federal funds appropriated for the use of the Mississippi National Guard.