its combat record, the 100th was allowed to keep their original designation as the 100th Infantry Battalion. The related 522nd Field Artillery Battalion liberated at least one of the satellite labor camps of Dachau concentration camp and saved survivors of a death march near Waakirchen. The 442nd RCT was inactivated in 1946 and reactivated as a reserve battalion in 1947, garrisoned at Fort Shafter, Hawaii. The 442nd lives on through the 100th Battalion/442nd Infantry Regiment, and is the only current infantry formation in the Army Reserve. More information about the current 100th Battalion/442nd Infantry Regiment and its current alignment with the active 25th Infantry Division, the reserve 9th Mission Support Command, and its combat duty in the Vietnam War and the Iraq War can be found at 100th Infantry Battalion (United States). The 100th/442nd's current members carry on the honors and traditions of the historical unit. In recognition of its storied combat record, the 100th/442nd was also one of the last units allowed to use its individual shoulder sleeve insignia. In the interest of greater division unity, they officially relinquished their patch in 2016. Background Most Japanese Americans who fought in World War II were Nisei, born in the United States to immigrant parents. Shortly after the Imperial Japanese Navy's attack on Pearl Harbor on 7 December 1941, Japanese-American men were initially categorized as 4C (enemy alien) and therefore not subject to the draft. On 19 February 1942, President Franklin D. Roosevelt signed Executive Order 9066, authorizing military authorities. to prescribe military areas in such places and of such extent as he or the appropriate Military Commander may determine, from which any or all persons may be excluded, and with respect to which, the right of any person to enter, remain in, or leave shall be subject to whatever restrictions the Secretary of War or the appropriate Military Commander may impose in his discretion. Although the order did not refer specifically to people of Japanese ancestry, it was targeted largely for the internment of people of Japanese ancestry from the West Coast. In March 1942, Lieutenant General John L. DeWitt, head of the Western Defense Command and Fourth Army, issued the first of 108 military proclamations that resulted in the forced relocation from their residences to guarded concentration camps of more than 110,000 people of Japanese ancestry from the West Coast, the great majority of the ethnic community. Two-thirds were