Security forces Airmen shoot, move and communicate Published March 28, 2010 By Tech. Sgt. Paul R. Evans U.S. Air Force Expeditionary Center JOINT BASE MCGUIRE-DIX-LAKEHURST, N.J. -- The 421st Combat Training Squadron at the U.S. Air Force Expeditionary Center, Joint Base McGuire-Dix-Lakehurst, N.J. provides robust pre-deployment training for security forces Airmen. Blocks of instruction include (but are not limited to) mounted operations, tactical combat casualty care, counter insurgency, squad weapons training and urban operations. The cadre of the 421st CTS train and hone these Airmen's skills for base and area security operations.