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).
John Cornyn III (born February 2, 1952) is the senior United States Senator from Texas, serving since 2002. He is a member of the Republican Party and the current Senate Majority Whip for the 114th Congress. Cornyn previously served as Chairman of the National Republican Senatorial Committee from 2007 to 2011. Born in Houston, Cornyn is a graduate from Trinity University and St. Mary's University School of Law, receiving his LL.M. from the University of Virginia School of Law.