During the early years of World War II, American ships crossing the Atlantic with oil and supplies were virtually defenseless against German U-boats. Bombs and torpedoes fitted with TNT barely made a dent in the tough steel plating that covered the hulls of Axis submarines and ships. Then, seemingly overnight, a top-secret, $100 million plant appeared near Kingsport, Tennessee, manufacturing a sugar-white substance called Research Department Explosive (code name RDX). Behind thirty-eight miles of fencing, thousands of men and women synthesized 23,000 tons of RDX each month. Twice as deadly...
During the early years of World War II, American ships crossing the Atlantic with oil and supplies were virtually defenseless against German U-boat...