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).
Grassley was elected to his Senate seat in 1980, defeating the Democratic incumbent, John Culver. He was reelected in 1986, 1992, 1998, 2004, and 2010; he is the second longest-serving senator in Iowa history. He has remained very popular in Iowa even as the state trended Democratic.