 The M16 Multiple Gun Carriage entered service in early 1944 , with the M13 taken out of action soon after . The M16 was nicknamed " The Meat Chopper " for its deadly firepower , and was extremely popular with troops . In addition to its anti @-@ aircraft role , the M16 was used in an infantry support role , frequently accompanied by the M15 Half @-@ track . The M17 MGMC primarily served with the Soviet Union as part of Operation Bagration and a few other battles . 
