The Presidential Unit Citation, originally called the Distinguished Unit Citation, is awarded to units of the Armed Forces of the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and allies for extraordinary heroism in action against an armed enemy on or after 7 December 1941 (the date of the Attack on Pearl Harbor

Attack on Pearl Harbor

The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941...

 and the start of American involvement in World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

). The unit must display such gallantry, determination, and esprit de corps in accomplishing its mission under extremely difficult and hazardous conditions so as to set it apart from and above other units participating in the same campaign.

Since its inception by Executive Order on 26 February 1942, retroactive to 7 December 1941, to 2008, the Presidential Unit Citation has been awarded in such conflicts as World War II, Korean War, Vietnam War, Iraq War, and the War in Afghanistan.

The degree of heroism required is the same as that which would warrant award of the Distinguished Service Cross

Distinguished Service Cross (United States)

The Distinguished Service Cross is the second highest military decoration that can be awarded to a member of the United States Army, for extreme gallantry and risk of life in actual combat with an armed enemy force. Actions that merit the Distinguished Service Cross must be of such a high degree...

, Air Force Cross

Air Force Cross (United States)

The Air Force Cross is the second highest military decoration that can be awarded to a member of the United States Air Force. The Air Force Cross is the Air Force decoration equivalent to the Distinguished Service Cross and the Navy Cross .The Air Force Cross is awarded for extraordinary heroism...

 or Navy Cross

Navy Cross

The Navy Cross is the highest decoration that may be bestowed by the Department of the Navy and the second highest decoration given for valor. It is normally only awarded to members of the United States Navy, United States Marine Corps and United States Coast Guard, but can be awarded to all...

 to an individual.