Its website has a Flag Education page

• Old soldiers' org
• Ex-G.I.'s org.
• Old G.I.'s group
• Post letters
• Flag Day grp.
• An organization of United States war veterans
• Ex-G.I.'s grp
• Ex-G.I.'s org
• Armed forces org. since 1914

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1916, abbreviation of Veterans of Foreign Wars , U.S. organization with roots to 1899.