Our event has limited rooms available at the event venue. Use the below information for booking with our Group Code. EVENT NAME: ARMY Birthday Ball 2025 DATE TO STAY: June 13 '25 (Fri) GROUP CODE: 146708 CALL TO: "NEW SANNO HOTEL Room Reservation Desk" 702-951-8002 (Overseas) 833-937-1841 (Toll Free US number) 03-6868-2322 (Inside Japan) 315-229-8002 (DSN) Available between 0800-1800 (Mon - Fri) / 0800-1700 (Sat, Sun & Holidays)