How many years must DD Forms 2910 and 2911 be stored for in restricted and unrestricted cases?
a. 4 years in restricted cases and 2 years in unrestricted cases
b. 6 years in restricted cases and 3 years in unrestricted cases
c. 2 years in restricted cases and 4 years in unrestricted cases
d. 5 years in restricted cases and 1 year in unrestricted cases
