SAVANNAH — Fort Pulaski National Monument will reach the halfway point of the 2016 centennial celebration of the National Park Service Sunday with the next installment of the Centennial Series: Bark in the Park Bark in the Park will be at 10 a.m. and 2 p.m. and will consist of a ranger-led dog walk at the monument. The program is open to two-legged and four-legged visitors and will last approximately one hour. The walk and interpretive talk will explore natural and cultural resources of Cockspur Island by visiting Battery Hambright, the historic north wharf, the historic dike system, and the corner of Fort Pulaski that was damaged during the 1862 battle over the fort during the American Civil War.