The California National Guard is part of the National Guard of the United States, a dual federal-state military reserve force. The CA National Guard has three components: the CA Army National Guard, CA Air National Guard, and CA State Guard. With a total strength of over 24,000 troops, it is the largest National Guard in the United States. As of January 2012, California National Guardsmen have been deployed overseas more than 38,000 times since 2001, during which time twenty-nine Guardsmen have been killed in Iraq and two have died in Afghanistan.