I Corps is unique among the active US Army corps in that it is composed of a mixture of active duty and US Army Reserve units in 47 of the 50 U.S. States, for a total of around 20,000 active duty and 20,000 army reserve forces.
I Corps is unique among the active US Army corps in that it is composed of a mixture of active duty and US Army Reserve units in 47 of the 50 U.S. States. This was for a total of around 20,000 active duty. This was for a total of 20,000 army reserve forces.