Also known as the 555th Parachute Infantry Division, the men in this elite unit were the first Army smokejumpers in the military during WWII, Black or otherwise. Why haven’t you heard of them? Well, their clandestine mission was to secretly fight the forest fires created by thousands of incendiary balloon bombs sent across the Pacific by the Japanese, the only known attack on U.S. mainland during WWII. Who were these guys? And why was this a secret?