Complex sentence: It was reorganized and redesignated as HHC-11th Armored Group on 5 December 1943, and was converted and redesignated HHT-1st Constabulary Regiment on 1 May 1946.
Split into simpler sentences: It was reorganized and redesignated as HHC, 11th Armored Group on 5 December 1943. HHC, 11th Armored Group was converted and redesignated HHT, 1st Constabulary Regiment on 1 May 1946.