Electrician’s Mate 1st Class Rene Toledo explains U.S. Navy preventative an corrective maintenance methods to Rear Adm. Gregario Martinez Nuñez, director of the Mexican navy General Staff S-4 (logistics) during a tour of the Coastal Riverine Boat Maintenance Facility, Aug. 20. Navy Expeditionary Combat Command (NECC) hosted Mexican navy officers during a logistics and maintenance visit to Joint Expeditionary Base Little Creek-Fort Story. (U.S. Navy photo by Mass Communication Specialist 3rd Class Lauren Booher/Released)