🐎 THE LAST DEPLOYMENT OF THE U.S. CAVALRY • DECEMBER 8, 1941 History rarely announces its endings, but on December 7th 1941, the final chapter of the United States horse mounted cavalry quietly began. With the attack on Pearl harbor the United States entered a new and devastating chapter of World War II. As Japanese forces launched widespread attacks across the Pacific, the Philippines became one of the first major battlegrounds. Among the units called into immediate action was the 26th Cavalry