Major Cavender joined APD in December of 1986 .
Major Cavender was promoted to Sergeant in 1996 , Lieutenant in 2002 , Captain in 2010 , and Major in 2011 .
Major Cavender joined APD in December of 1986 and was promoted to Sergeant in 1996 , Lieutenant in 2002 , Captain in 2010 , and Major in 2011 .