 Complete the following phrase:  Having the 1st Brazilian Infantry and the 6th South African Armoured Divisions in its ranks, in addition to the United States 1st Armored, the 92nd Infantry and the 10th Mountain Divisions, Crittenbergers IV Corps were in combat for over 390 days, 326 of them engaged in continuous combat. Crittenberger commanded IV Corps, still part of the Fifth Army, now commanded by Lieutet General Lucian Truscott like Crittenberger, a cavalryman whom Crittenberger had taught while he was an instructor at the United States Army Cavalry School, after Lieutet General Clark was promoted to the command of 15th Army Group, as the western arm of the 