D-38. The ACOS, G-1/AG (S-1) is the principal staff officer for all matters concerning human resources support (military and civilian). The G-1/AG (S-1) also serves as the senior adjutant general officer in the command. A G-1/AG (S-1) is authorized at every echelon from battalion through corps.
Charles Ernest Chuck Grassley (born September 17, 1933) is the senior United States Senator from Iowa, serving since 1981. A member of the Republican Party, he previously served in the United States House of Representatives (1975â1981) and the Iowa state legislature (1959â1974).
Tom Cotton (born Thomas Bryant Cotton; May 13, 1977) is an American politician who is the junior United States Senator from Arkansas. A member of the Republican Party, Cotton has served in the Senate since January 3, 2015. At age 39, he is currently the youngest U.S. Senator.