Mark Mayo, age 25, from District of Columbia.
Parents: Sharon Blair.
Service era: Afghanistan
Schools: Williamsport High (2007)
Date of death: Monday, March 24, 2014
Death details: Killed at Naval Station Norfolk when a civilian tried to get to Pier One and the Destroyer USS Mahan. The civilian took a gun from another officer and shot and killed Mayo during a struggle.
Cemetery: Arlington National
Source: Fox DC