I am looking for veterans information for my Grandfather Flaval Marshall. My Gfather was in WW1 his tombstone states: Pvt 1 Regt FA Repl Depot WW1, I am not sure what that means. I trying location his enlistment date,place of enlistment, date of discharge and place of discharge and length of service for a scholarship for my daughter for college based on this information. I have his draft registration card, is that the same as enlistment. Any help would be appreciated.