French & Indian War, American Revolution, American Riflemen Vs. British Line Soldiers - Timothy Murphy sniper, Development of Washington "Life Guard" and "Corps of Sappers & Miners" troops, Civil War "irregular" Cavalry (CSA John S. Mosby), 1st & 2nd United States Sharpshooters, Confederate Snipers, Special Troops during the Indian Wars, World War One, End with FDR Pearl Harbor Speech