Welcome to the 1st Battalion, 1st Air Defense Artillery (Regiment)


1-1 ADA
Unit 5108 (APMC-PB)
APO AP 96368-5140

Phone numbers:

Office of the Commander: DSN: 315-632-0361
Executive Administration: DSN: 315-634-4257
Command Sergeant Major: DSN 315-634-3634
S-1:DSN 315-634-4147
Staff Duty Cell (24 hours): DSN: 315-634-1701
Within Japan: 090-6861-8315
From the U.S.: 011-81-611-734-1701

Dear New 1-1 ADA Soldier:

Welcome to Okinawa, Japan, and 1st Battalion, 1st Air Defense Artillery (Regiment), the “Snake Eyes Battalion!” Here you will join the most lethal Patriot battalion in the world and have unique opportunities to work on an air force base, train with Japanese partner units, and conduct exercises with the Air Force, Navy, and Marines. You’ll also enjoy the warm hospitality of our host nation, the beautiful beaches of Okinawa, and your home in the 1-1 ADA community.

We encourage you to connect with your sponsor, seek out information on the 1-1 ADA Facebook page and ask a lot of questions before you arrive. Our Operational Playbook below describes the focus of our mission and the principles we uphold as a battalion. We’re committed to your success in the Army and look forward to your arrival to the Snake Eyes team.

Again, welcome to the 1-1 ADA team! We look forward to your arrival and feel confident that you will find your tour within this unit a challenging and rewarding assignment. Be an active part of our community and enjoy the Land of the Rising Sun.

Last reviewed on December 2, 2016, by USARJ Public Affairs Office.