CLB1 and 1st TSB Marines engage in Railhead Operations Group class December 12, 2021 2560 × 640 Last ride for 1st, 2nd & 4th Tank 01OCT2020, these tanks are being used for rail operations training, on the Yermo Annex, Marine Corps Logistics Base Barstow, California. Written by: Hutchins AAron on December 12, 2021.