In 2002, there were 3,292 active-duty military personnel and 1,004 civilian personnel stationed in Wyoming, nearly all of whom were at Wyoming's only US military installation—the Francis E. Warren Air Force Base at Cheyenne. Total defense contracts awarded that year totaled more than $92 million.
According to the 2000 Census, there were 57,860 military veterans living in Wyoming. Of these, 9,377 were veterans of World War II; 6,454 of the Korean conflict; 19,083 of the Vietnam era; and 8,327 of 1990–2000 (including the Persian Gulf War). Veterans' benefits totaled nearly $145 million in 2002.
In 2000, the Wyoming Highway Patrol employed 148 full-time sworn officers.