His surprise supersession and resignation became a national controversy. They lay out the process of supersession. His dignified statement at the time of his supersession added to his stature. They disagree, however, on the nature of this supersession. General Douglas MacArthur considered Vasey's supersession "outrageous". Wherever they went they took command by supersession. He sets up a supersession meeting with Sura, then returns to Sulla. With the supersession of high and fast tactics, ultra-low-level attack was substituted. A second practice of ancient Rome adopted by modern militaries is supersession.