A candlelight vigil is scheduled for this Saturday night to honor a McMinnville native and Warren County High School graduate who was killed Nov. 24 in an Army helicopter crash.Stephen Brent Cooley, 40, was killed at Fort Hood, Texas when his Black Hawk helicopter crashed during routine training exercises. The Army has yet to release more details on the crash, saying it remains under investigation.Cooley was a 1994 WCHS graduate who enjoyed a distinguished, 20-year military career. A chief warrant officer 3, Cooley served in Iraq and Afghanistan.Cooley has a son who still lives in Warren County, Coty Ray Cantrell, and a number of other friends and family members.