 Some 13,800 reserve component Military Police were called into active duty for the invasion, including the Headquarters of the 220th as well as the 800th Military Police Brigade.Overall, over 57,000 reserve and national guard troops were called into active duty service for the invasion.The brigade assumed command of other reserve and national guard military police units during the operation, including company sized units from Virginia, New York, Illinois, Kansas, South Carolina and Texas The brigade was, in turn, subordinate to the 377th Theater Support Command.