view article early National period History of the United States Army#World_War_I reduced to a single regiment early National period early National period early National period view article view article early National period early National period History of the United States Army History of the United States Army See original source early National period early National period early National period History of the United States Army early National period Army Birthday History of the United States Army#World_War_I History of the United States Army#World_War_I early National period History of the United States Army#World_War_I History of the United States Army National Army early National period early National period early National period early National period early National period History of the United States Army#World_War_I History of the United States Army History of the United States Army#World_War_I early National period early National period United States counterpart early National period Wikipedia History of the United States Army early National period History of the United States Army#World WarI early National period early National period early National period early National period American army early National period reduced to a single regiment early National period reduced to a single regiment early National period English History of the US Army History of the United States Army#World_War_I early National period early National period History of the United States Army History of the United States Army early National period early National period