Article Photos: Oklahoma National Guard's last Vietnam veteran to retire this month

Chief Warrant Officer 5 Ronald Petty, the Oklahoma National Guard's last Vietnam veteran, will retire this month. Photo By Steve Gooch, The Oklahoman <strong>Steve Gooch</strong>

Chief Warrant Officer 5 Ronald Petty, the Oklahoma National Guard's last Vietnam veteran, will retire this month. Photo By Steve Gooch, The Oklahoman Steve Gooch