(KSL News) -- Officials have identified the National Guardsman killed in yesterday's accident at the Tooele Army Depot.
A civilian contractor from Alabama was training Utah National Guardsman Specialist Ryan Stark of Springville on how to use a new anti-lock braking system when the accident happened.
The five ton military truck they were working on rolled over, trapping the men for some time.
Both men died.
27 year old Specialist Stark leaves behind two children.