For all their saltiness, most Marines love dogs. That statement is backed by nothing other than five years of experience covering the Marine Corps and the war in Afghanistan. Still, I’ll go out on a limb and say new photographs released by Marine Barracks Washington, D.C., will be a hit. Depicted in them is Chesty, a 9-week-old English bulldog who will soon take over as the Marine Corps mascot, serving at a variety of ceremonies and functions in the region, officials said. First, however, the puppy must attend obedience school and “recruit training.” I can only assume the drill instructors…