United States Army North (Fifth Army)

United States Army North (Fifth Army)
Unit name	United States Army North (Fifth Army)
Caption	Shoulder sleeve insignia
Dates	1943–present
Country	United States
Branch	United States Army
Type	Army
Role	Homeland defense, civil support, theater security cooperation
Garrison	Fort Sam Houston, San Antonio, Texas
Nickname	Fifth Army
Commander1 label	Commanding General

United States Army North (Fifth Army) is a numbered field army of the United States Army responsible for homeland defense, civil support, and theater security cooperation within the United States Northern Command area of responsibility. Rooted in World War II operations in the Mediterranean Theater and the Italian Campaign, the organization has evolved into a joint, interagency, and multinational partner for domestic defense and disaster response. Its headquarters is at Fort Sam Houston in San Antonio, Texas, and it interacts regularly with the Department of Defense, Federal Emergency Management Agency, and state-level National Guard leadership.

History

Formed during World War II, the Fifth Army was activated in 1943 and played a central role in amphibious operations such as the Allied invasion of Sicily and the Italian Campaign, engaging forces including the Wehrmacht and the Royal Italian Army. Command relationships included coordination with commanders and formations such as George S. Patton, Mark W. Clark, the British Eighth Army, and the Twelfth Army Group. Postwar reorganization shifted the Fifth Army into continental responsibilities during the Cold War era, interacting with entities like United States Southern Command and participating in exercises with the United States Air Force. In the post-9/11 era, its focus expanded to homeland defense under United States Northern Command and to support for domestic emergencies such as responses to Hurricane Katrina, Hurricane Sandy, and the COVID-19 pandemic in the United States alongside National Guard units and the United States Coast Guard.

Mission and Organization

The organization's mission emphasizes civil support, homeland defense, and theater security cooperation in coordination with partners including Federal Emergency Management Agency, the Department of Homeland Security, state adjutant generals, and the United States Northern Command. Its structure comprises headquarters elements, component liaison teams, and subordinate commands that coordinate with formations like the Army Reserve, Fifth Army/United States Army North Reserve components, and state-level National Guard Bureau counterparts. Staff sections include G-1 through G-6 and specialized cells for chemical, biological, radiological, nuclear, and explosive (CBRNE) integration, interoperating with agencies such as the Centers for Disease Control and Prevention, Environmental Protection Agency, and United States Public Health Service Commissioned Corps during domestic operations.

Campaigns and Operations

During World War II, the Fifth Army conducted operations in campaigns recognized by campaign streamers including Sicily Campaign, the Naples-Foggia campaign, and the drive toward Rome during the Italian Campaign. It executed amphibious landings and inland advances alongside formations such as the US II Corps, US VI Corps, and multinational allies including the Free French Forces and the British Eighth Army. In later decades, the Fifth Army participated in continental defense exercises and supported operations during events such as the Cuban Missile Crisis and domestic disaster relief including responses to Hurricane Harvey, Hurricane Maria, and major earthquakes in coordination with the United States Agency for International Development for humanitarian assistance. Recent operations have included support to pandemic response efforts, logistics coordination with United States Transportation Command, and interagency planning with Department of Health and Human Services and state emergency management agencies.

Commanders

Commanders of the Fifth Army have included prominent leaders who also held senior roles in theaters and national defense, interacting with figures and institutions such as Dwight D. Eisenhower, George S. Patton, Mark W. Clark, and later generals who coordinated with United States Joint Chiefs of Staff, USNORTHCOM, and the National Guard Bureau. Commanders have orchestrated liaison with civilian leaders including state governors and federal cabinet members during domestic missions involving the Secretary of Defense (United States) and the Secretary of Homeland Security.

Insignia and Traditions

The Fifth Army shoulder sleeve insignia and distinctive unit insignia reflect its heritage from World War II campaigns such as Sicily Campaign and the Italian Campaign. Traditions include commemoration of campaign streamers, unit awards earned under operations associated with the European Theater of Operations, and ceremonies linked to anniversaries of landings and battles involving formations like the US II Corps and US VI Corps. The organization maintains historical ties to wartime personalities and honors related to decorations such as the Distinguished Service Cross (United States), Silver Star, and campaign citations issued by Department of the Army authorities.

Facilities and Stations

Headquartered at Fort Sam Houston in San Antonio, Texas, the Fifth Army operates within facilities that interact with joint bases and hospitals including Brooke Army Medical Center and nearby installations such as Joint Base San Antonio. It has historically staged operations from Mediterranean ports and airfields during World War II, coordinating logistics with entities like Army Service Forces and Transportation Corps. Current facilities support liaison with state emergency operations centers across the continental United States, Alaska, Hawaii, and territories such as Puerto Rico, enabling rapid coordination with federal, state, and local partners.

Category:Field armies of the United States Army