Player Embed Code: Download Embed Share Tennessee Army National Guard Arrives at the National Training Center Tennessee National Guard Joint Public Affairs Office April 25, 2018 | 2:00 Soldiers from the 230th Sustainment Brigade, Tennessee Army National Guard, offload equipment at Marine Corps Logistics Base Barstow, Yermo, California. This is preparation of the 278th Armored Cavalry Regiment training at the National Training Center at Ft. Irwin, California. This training exercise is in advance of their deployment next year. This is the third rotation for some soldiers of the 278th since 2002.