In 2002, there were 3,098 active-duty military personnel and 24,920 civilian personnel stationed in Pennsylvania. The US Army War College is in Carlisle, and there are army depots in Chambersburg, Harrisburg, and Scranton. Defense contracts worth more than $4.2 billion were awarded to Pennsylvania firms in 1997.
According to the 2000 Census, there were 1,280,788 veterans living in the state, of whom 316,088 served in World War II; 177,394 in the Korean conflict; 350,055 during the Vietnam era; and 95,741 during 1990–2000 (including the Persian Gulf War). Veterans' benefits totaled more than $2 billion in 2002.
In 2000, the Pennsylvania State Police employed 4,152 full-time sworn officers.