Mohmad Rousl, a soldier in the Afghan National Army in the 215th Corps, smacks the dust out of the air filter before the driving class began at Camp Leatherneck, Afghanistan, Aug. 8. Preventative maintenance such as checking oil, cleaning out air filters and cleanliness are taught during the course. The goal is to make sure the soldiers can drive and continue the upkeep of these vehicles necessary for them to last in the harsh conditions in which they will operate.