Personnel Replacement System in the United States Army. DA PAM 20-211. By Lerwill, Lt. Col. Leonard. Books / Hardcover History: Military › Other Military History Publisher: GPO, 1972., January 1972 Price $25.04 Free Shipping Send to a friend Used - Very Good Very Good condition. Department of the Army Pamphlet No. 20-211. (United States Army, army recruiting, enlistment) $25.04 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.