(Salem, OR)  --  A memorial is scheduled tomorrow for an Oregon State Police Sergeant who died in May following a two-decade battle with severe injuries suffered when he was hit by a car on duty.  Sergeant John Burright died on May 4th.  Burright was helping a disabled vehicle on I-5 in 2001 when he was hit.  Senior Trooper Maria Mignano and Albany Police Officer Jason Hoerauf were also hit and killed in the crash.  Burright suffered critical injuries that ended his career with Oregon State Police.  Tomorrow's memorial will be held at the Salem Armory.