An employee of Facilities Maintenance Section Shop 71, which is in charge of maintaining roads and grounds aboard Marine Corps Base Quantico, trims hedges in front of Newlin Hall on a black-flag weather condition day, July 7. - An employee of Facilities Maintenance Section Shop 71, which is in charge of maintaining roads and grounds aboard Marine Corps Base Quantico, trims hedges in front of Newlin Hall on a black-flag weather condition day, July 7.