Lance Cpl. Mark Baker, an extractor from Company B, Chemical Biological Incident Response Force, II Marine Expeditionary Force, prepares to extract a simulated casualty, Josh Dale, during a training exercise Feb. 28 at the Washington Metropolitan Area Transit Authority in Landover, Md. - Lance Cpl. Mark Baker, an extractor from Company B, Chemical Biological Incident Response Force, II Marine Expeditionary Force, prepares to extract a simulated casualty, Josh Dale, during a training exercise Feb. 28 at the Washington Metropolitan Area Transit Authority in Landover, Md.