Convair B-36 Peacemaker Plane TagThe Convair B 36 was conceived in 1941, right as the U. S. was preparing for and entering the second World War. Dubbed The Peacemaker, the huge strategic bomber had the longest wingspan of any combat plane built and was the largest mass produced piston engined plane. Although it was capable of intercontinental flight and delivering nuclear weapons, it was never used in combat. Very few remain today, including one, 42 13571, which was added to the