The Arrowhead device is a decoration of the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 which is issued as an attachment to certain service medals. The Arrowhead device is awarded to any service member who participates in an amphibious assault, a combat parachute drop, a helicopter assault landing, or a combat glider attack.

The arrowhead device is a one time decoration for each service medal and no more than one arrowhead device may be authorized per service medal. As of 2004, the service medals which are authorized the arrowhead device are as follows:

• Asiatic-Pacific Campaign Medal
  Asiatic-Pacific Campaign Medal
  The Asiatic-Pacific Campaign Medal is a service decoration of the Second World War which was awarded to any member of the United States military who served in the Pacific Theater from 1941 to 1945 and was created on November 6, 1942 by issued by President Franklin D. Roosevelt. The medal was...
  
  
• European-African-Middle Eastern Campaign Medal
  European-African-Middle Eastern Campaign Medal
  The European-African-Middle Eastern Campaign Medal is a military decoration of the United States armed forces which was first created on November 6, 1942 by issued by President Franklin D. Roosevelt...
  
  
• Korean Service Medal
  Korean Service Medal
  The Korean Service Medal is an award of the United States military and was created in November 1950 by executive order of President Harry Truman. The Korean Service Medal is the primary United States medal for participation in the Korean War and is awarded to any U.S. service member, who...
  
  
• Vietnam Service Medal
  Vietnam Service Medal
  The Vietnam Service Medal is a military award which was created in 1965 by order of President Lyndon B. Johnson. The distinctive design was the creation of sculptor Thomas Hudson Jones, a former employee of the Army Institute of Heraldry. The medal is issued to recognize military service during...
  
  
• Armed Forces Expeditionary Medal
  Armed Forces Expeditionary Medal
  The Armed Forces Expeditionary Medal is a military award of the United States military, which was first created in 1961 by Executive Order of President John Kennedy...
  
  
• Global War on Terrorism Expeditionary Medal
  Global War on Terrorism Expeditionary Medal
  The Global War on Terrorism Expeditionary Medal is a United States armed forces military award created by George W. Bush on March 12, 2003 by Executive Order 13289. It recognizes those military service members who have deployed overseas in direct service to the War on Terror from September 11,...
  
  
• Afghanistan Campaign Medal
  Afghanistan Campaign Medal
  The Afghanistan Campaign Medal is a military award of the United States military which was created by Executive Order 13363 of President George W. Bush on November 29, 2004. The Afghanistan Campaign Medal was designed by the U.S. Army Institute of Heraldry....
  
  
• Iraq Campaign Medal
  Iraq Campaign Medal
  The Iraq Campaign Medal is a military award of the United States armed forces which was created by Executive Order 13363 of President George W. Bush on November 29, 2004. The Iraq Campaign Medal was designed by the U.S. Army Institute of Heraldry....
  
  

In almost all cases, the arrowhead device is issued with a corresponding campaign service star

Service star

A service star, also referred to as a battle star, campaign star, or engagement star, is an attachment to a United States military decoration which denotes participation in military campaigns or multiple bestowals of the same award. Service stars are typically issued for campaign medals, service...

, which denotes the campaign in which the assault landing was accomplished.