Sergeant Julio Acevedo, (left) the noncommissioned officer in charge of the administration office on Marine Corp Logistics Base Barstow and Lance Cpl. Jonathan Norita, a supply clerk on base practice knee strikes during a MCMAP class, July 22. - Sergeant Julio Acevedo, (left) the noncommissioned officer in charge of the administration office on Marine Corp Logistics Base Barstow and Lance Cpl. Jonathan Norita, a supply clerk on base practice knee strikes during a MCMAP class, July 22.