Politics & World • Military

Delta Force

Delta Force is the common name for the U.S.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Delta Force is the common name for the U.S. Army’s 1st Special Forces Operational Detachment-Delta (1st SFOD-D), a tier-one special missions unit focused primarily on counterterrorism. The unit is also used for direct action, hostage rescue, special reconnaissance, and other sensitive operations. It is operationally controlled by the Joint Special Operations Command (JSOC) and administratively by the Army Special Operations Command (USASOC).

History

Delta Force was established in 1977 as a U.S. military response to growing concerns about terrorism and the need for a dedicated hostage-rescue and counterterrorism force. It has since become one of the most secretive units in the American special operations community.

Mission

The unit’s main mission is counterterrorism, especially capturing or killing high-value targets and disrupting terrorist networks. It is also used for direct action raids, special reconnaissance, and hostage rescue.

Command structure

Delta Force is administered by the Army Special Operations Command but placed under the operational control of JSOC. This structure reflects its role as a national-level special mission unit.

Public profile

Because much of its work is classified, Delta Force is not publicly documented in detail. It is nevertheless widely referenced in media, military histories, and popular culture as one of the U.S. military’s elite special operations units.

Key facts

Delta Force is a U.S. Army special operations unit widely associated with counterterrorism missions.
Its tasks also include direct action, hostage rescue, and special reconnaissance.
The unit operates under JSOC while remaining administratively part of the Army.
It was established in 1977 in response to the need for a dedicated counterterrorism capability.
The unit is highly secretive and commonly referred to by several informal names, including "The Unit" and "CAG".

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Canadian context

Canadian readers may recognize Delta Force as a prominent U.S. special operations unit often discussed alongside allied military and counterterrorism cooperation.

Frequently asked questions

What is Delta Force?

Delta Force is the common name for the U.S. Army’s 1st Special Forces Operational Detachment-Delta, an elite special missions unit focused on counterterrorism.

When was Delta Force created?

Delta Force was established in 1977.

What does Delta Force do?

Its missions include counterterrorism, hostage rescue, direct action, special reconnaissance, and other sensitive operations.

Is Delta Force part of the Army?

Yes. It is administratively part of the U.S. Army, but operationally controlled by JSOC.

Why is Delta Force secretive?

Much of its work is classified, so the unit releases limited public information about its operations and personnel.

What are other names for Delta Force?

It has been referred to as 1st SFOD-D, CAG, Combat Applications Group, The Unit, and Task Force Green.

References

Encyclopaedia Britannica — https://www.britannica.com/topic/Delta-Force
Supports: Describes Delta Force as a tier-one special missions unit focused on counterterrorism, with direct action, hostage rescue, and special reconnaissance roles; notes JSOC operational control and Army administrative control.
SOFREP — https://sofrep.com/specialoperations/delta-force-the-complete-guide/
Supports: Identifies Delta Force as 1st SFOD-D, states it was founded in 1977, and lists alternate names such as CAG, ACE, The Unit, and Task Force Green.
U.S. Naval War College Library Guides — https://usnwc.libguides.com/c.php?g=943947&p=6821635
Supports: Summarizes Delta Force as a U.S. Army special missions unit primarily focused on counterterrorism, with roles including direct action, hostage rescue, covert missions, and protection of senior leaders.