The 61st Cavalry traces its lineage to the 601st Tank Destroyer Battalion. The 601st was activated 19 August 1941 and deployed to England on 2 August 1942. In North Africa, the battalion participated in the battles of Ousseltia Valley, Sbeitla, Kasserine Pass, Mateur, and El Guettar, for which it was awarded the Presidential Unit Citation for destroying 37 tanks in 24 hours.