Original sentence: Camp Monteith was a military base near Gjilan, Kosovo and located about  east of Camp Bondsteel.Marines and used as a base of operation after the Kosovo War of 1999.Marines occupied the land during Operation Joint Guardian setting up camp around the main building in tents and in their vehicles, patrolling Gjilan and the surrounding villages from Camp Monteith
Edited sentence: Camp Monteith was a military base near Gnjilane, Kosovo and located about  east of Camp Bondsteel.Marines and used as a base of operation during the Kosovo War of 1999.Marines occupied the land during Operation Joint Guardian setting up camp around the main building in tents and in their vehicles, patrolling Gnjilane and the surrounding villages from Camp Monteith