More than 50 Marines from Marine Corps Logistics Command participate in a professional military education event, recently, at Kennesaw Mountain National Battlefield Park, Kennesaw, Ga. The event was led by the park’s retired historian and designated tour guide, Willie “Swampy” Johnson, with the hat, standing next to the cannon. - More than 50 Marines from Marine Corps Logistics Command participate in a professional military education event, recently, at Kennesaw Mountain National Battlefield Park, Kennesaw, Ga. The event was led by the park’s retired historian and designated tour guide, Willie “Swampy” Johnson, with the hat, standing next to the cannon.