 Complete the following phrase:  Constituted 1924 as 91st CA HD Regt PS and organized 1 July 1924 at Fort Mills. Organized by redesignating 281st, 282nd, 284th, 277th, 279th, 286th, 276th,  285th Cos, Philippine Scouts organized 12-18-22 as HHB and Btrys A-G respectively. HHBs 1st and 2nd Bns activated 6-3-24 at Fort Mills. Initial disposition: Regimental HHB and Btrys A  B stationed at Ft. Mills; Btrys C, D,  E stationed at Fort Hughes; Btry F at Fort Frank, and Btry G at Fort Wint. Manned fixed and mobile seacoast guns. Redesignated TD regiment 1935. Surrendered 5-6-42 as 