In 2002, 447 active-duty military personnel were stationed in Iowa: 274 were in the US Army, 126 in the Navy and Marines, and 47 in the Air Force. Iowa firms received defense contract awards amounting to $503 million in 2001
There were 292,020 veterans of US military service in Iowa as of 2000, of whom 63,292 served in World War II; 42,299 in the Korean conflict; 87,496 during the Vietnam era; and 26,382 during 1990–2000 (including the Persian Gulf War). The federal government expended $515 million for veterans' benefits in Iowa during fiscal year 2002.
In 2000, the Iowa Department of Public Safety employed 455 full-time sworn officers.