California Army National Guard Staff Sgt. Shelda Mairel, a 91B and 88M, assigned to the 118th Maintenance Company, in Stockton pulls security at an intermediate staging base at the Sierra College in Rocklin, Jan. 6, 2012, during the 115th Regional Support Group's Emergency Deployment Readiness Exercise, which had 60 vehicles and 217 troops moving their wheeled assets around the state in response to a earthquake scenario. Evaluators grading their performance checked things like dispatch and licensing and then had the teams perform vehicle tasks like tire changing and recovery operations.