In 2002, there were 23,664 active-duty military personnel and 21,972 civilian personnel stationed in Oklahoma, the majority of whom were at Ft. Sill, near Lawton, the training facility for the Artillery Branch. A total of nearly $1.6 billion in prime military contracts was received by local businesses in 2002.
According to the 2000 Census, 376,062 veterans were living in Oklahoma, of whom 66,698 saw service in World War II; 42,946 in the Korean conflict; 116,672 during the Vietnam era; and 48,681 during 1990–2000 (including the Persian Gulf War). Veterans' benefits for 2002 were more than $1 billion.
In 2000, the Oklahoma Highway Patrol employed 782 full-time sworn officers.