US Army Garrison Okinawa is a United States Army facility located in Yomitan, Okinawa Prefecture, Japan. Home to the United States Army on Okinawa, 10th Regional Support Group, along with the 1-1 Air Defense Artillery (REG), 835th Trans BN, 247th MP DET, 10th RSG Ammunition Depot, 35th CSSB, 1st Battalion - 1st Special Forces Group (Airborne), and the 349th Signal Company (78th SIG BN) provide support to all other services on island.