The OFFICIAL page of U.S. Army South, the Army Component Command to U.S. Southern Command Mission Statement
U.S. Area of Responsibility
U.S. The U.S.
Army South (ARSOUTH) conducts and supports multinational operations and security cooperation in the U.S. Southern Command area of responsibility in order to counter transnational threats and strengthen regional security in defense of the homeland. Vision Statement
A flexible, agile and responsive Army Service Component Command capable of simultaneously conducting Theater Security Cooperation and C
ontingency Operations for U.S. Southern Command and Department of the Army. Army South is the Army Service Component Command of U.S. Southern Command. SOUTHCOM's area of responsibility encompasses 31 countries and 15 areas of special sovereignty in Central and South America, and the Caribbean and covers about 15.6 million square miles. Click here for more information about SOUTHCOM's area of responsibility. Operations
Humanitarian Operations and Engagements:
Operation Unified Response: Provided military support to the international disaster relief efforts in Haiti following the Jan. 12, 2010 earthquake. New Horizons: Humanitarian and civic assistance operations provided to the people of Haiti. Beyond the Horizon: Humanitarian and civic assistance operations provided to the people of Central and South America and the Caribbean. Fuerzas Aliadas Humanitarias: Regionally oriented emergency response exercise with Partner Nation disaster management agencies. Joint and Combined Engagements:
Peace Keeping Operations: Multi-echelon command and control exercises executed at the operational and tactical level. PANAMAX: Operational exercise focused on the defense of the Panama Canal by a Multi-National Task Force. Reintegration:
U.S. Army South is the Army’s executive agent for Phase III of reintegration for U.S. personnel rescued or returned from captivity. Command's Enduring Priorities
Flexibility, agility and responsiveness are woven into the fabric of every ARSOUTH mission. In order to meet the continued requirements for Theater Security Cooperation and Contingency Operations, ARSOUTH will work closely with the community of interest for the AOR, including joint, interagency, intergovernmental, and multilateral partner nations. ARSOUTH uses the following enduring priorities to focus efforts to accomplish our mission throughout the AOR:
1) Contingency Readiness – ARSOUTH must sustain individual and collective training capability for immediate transition to contingency operations
2) Primacy of Partnering – ARSOUTH will seek partnership in all regional initiatives
3) Mission Resourcing – ARSOUTH is fiscally disciplined and a responsive steward of resources while meeting prioritized mission requirements
4) Command Responsiveness – ARSOUTH is flexible, agile and responsive to subordinate elements, other components and USSOUTHCOM
Juntos Podemos! – Together We Can! Welcome to the U.S. Army South official page, a place to learn more about the U.S. Army working in South America, and tell us what you think. Army South reserves the right but undertakes no duty to review, edit, move or delete any material submitted as a comment to the information provided for display or placed on the social media sites in its sole discretion, without notice. Comments submitted to these sites will be reviewed. A representative sample may be posted on the site, or inappropriate comments may be deleted at the sole discretion of the Department of Defense. We hope to receive submissions from all viewpoints, but we ask that all participants agree to the following Terms of Participation: Please post only related and relevant questions to the Department of Defense to ensure constructive questions. Refrain from posting questions that contain threats, obscenity, material that would violate the law if published here, abusive, defamatory, or s*xually explicit material. Submissions containing the following will be deleted: --Contains obscene or threatening language or discrimination (hate speech) based on race, s*x, gender, religion, national origin, age, or disability.
--Promotes services or products (not including non-commercial links that are relevant to the topic)
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--Operational Security (OPSEC). All personnel (including families and friends of service members) have a responsibility to ensure that no information that might jeopardize our military members or would be of use to our adversaries is posted to websites that are readily accessible to the public." If you're looking for more information about U.S. Army South, visit our website at www.arsouth.army.mil. If you are looking for information on joining the #ArmyTeam, visit www.goarmy.com. Open civil service jobs are posted at www.usajobs.gov. If you have a question about U.S. Army South, send us a message. While this is an open forum, it's also a family friendly one, so please keep your comments and timeline posts clean. In addition to keeping it family friendly, we ask that you follow our posting guidelines here. If you don't comply, your comment will be removed, and repeat offenders may be banned at any time.
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-You participate at your own risk, taking personal responsibility for your comments, your username and any information provided. Also, the appearance of external links on this site does not constitute official endorsement on behalf of the U.S. Army or Department of Defense. For more information visit the DoD Social Media user agreement at: http://www.defense.gov/socialmedia/user-agreement.aspx
01/31/2026
YOUR FINAL CALL TO CONNECT!
To our dedicated followers, thank you for being part of the U.S. Army South digital communities. We are unifying our communities under a single banner: U.S. Army Western Hemisphere Command.
Starting in February 1, 2026, all future stories of partnership and defense across the Americas will be shared exclusively from our new, unified command page. On February 27th, U.S. Army South and U.S. Army North social media accounts will merge under U.S. Army Western Hemisphere Command.
Thank you for your incredible support over the years. See you at the new location.
01/23/2026
Maj. Gen. Phil Ryan, along with staff, friends and family, bid farewell today to our deputy commanding general of interoperability, Chilean army Maj. Gen. Eduardo Valdivia Mendez, during a formal award ceremony.
Gracias, General for your service, leadership, and enduring contributions to strengthening regional partnerships and interoperability across the Western Hemisphere.🫡🇺🇸🇨🇱
U.S. Southern Command (SOUTHCOM) | U.S. Army Western Hemisphere Command (USAWHC) | Ejército de Chile
01/12/2026
As part of the Army’s transformation, U. S. Army North (Fifth Army) and U.S. Army South are aligning under U.S. Army Western Hemisphere Command (USAWHC).
Beginning February 2026, our engagements, exercises and partnerships will be shared through one unified command.
Together, we continue strengthening security and cooperation across the hemisphere.
🇺🇸🤝🇨🇱 Today, U.S. Army South honored Ejército de Chile Col. Cristian Valenzuela, partner nation liaison officer, during an award ceremony recognizing his role in strengthening democratic security and regional cooperation in the Western Hemisphere.
Through close collaboration, Valenzuela helped advance shared readiness, interoperability and trust between our forces in support of a safer, more stable hemisphere.
Maj. Gen. Phil Ryan presided over the ceremony, recognizing his outstanding service and leadership.
We wish him continued success as he returns to Chile. 🫡
🌎 Strong partners. Stronger hemisphere.
| U.S. Army Western Hemisphere Command (USAWHC)
12/20/2025
Yesterday, former Chief of Staff Col. Osvaldo "Oz" Ortiz retired after a career defined by mentorship, resilience and family sacrifice at U.S. Army South. 👏🎖️
Nearly three decades of service shaped by tough assignments, steady leadership and a commitment to people. 🇺🇸
Thank you for your service Oz, and best of luck on all of your future endeavors! 🫡
U.S. Army South spread some holiday cheer today at our adopted school, Booker T. Washington Elementary. After weeks of collecting donations, Soldiers delivered more than 300 toys to the school.
Maj. Gen. Phil Ryan kicked off the morning by reading a Christmas story to students before the whole school came in to pick out their toys.
Moments like these remind us that service goes beyond the uniform. 🎁🧸
12/08/2025
11/27/2025
Happy Thanksgiving! 🦃
This Thanksgiving, we’re grateful for the Soldiers, Civilians, and Families who make the U.S. Army South team strong.
Yesterday, our annual Turkey Bowl 🏈 brought the formation together for camaraderie, teamwork, and fun, ending in a 21–14 win for the enlisted team! 🫡
11/24/2025
U.S. Army South leaders hosted a town hall last Friday to discuss past achievements, current missions, and future operations as part of the Army Transformation Initiative.
Maj. Gen. Phil Ryan and Command Sgt. Maj. Eric Olsen answered questions from Soldiers and Civilians, reinforcing transparency and open communication across the formation.
11/20/2025
Western Hemisphere Armies Reaffirm Commitment at Conference of the American Armies Ceremony
Lt. Gen. (P) Joseph Ryan, deputy chief of staff for G-3/5/7, Headquarters, Department of the Army, delivers remarks on behalf of U.S. Army Chief of Staff Gen. Randy George during the closing ceremony of the 36th Cycle of the Conference of the American Armies (CAA) in Mexico City, Nov. 10-14, 2025.
Senior leaders from across the Western Hemisphere gathered Nov. 10–14 for the multilateral forum, hosted by the Mexican Army, to advance regional security cooperation, strengthen interoperability, and reaffirm shared commitments to democracy, freedom and human rights. During the ceremony, the CAA Presidency transferred from Mexico to the Paraguayan Army for the 37th Cycle. Commanders of the American armies in attendance were awarded the Brotherhood of the American Armies Medal.
The U.S. delegation included Lt. Gen. Allan M. Pepin, U.S. Army North commander; Maj. Gen. Philip Ryan, U.S. Army South commander; and Security Cooperation Division leaders who coordinated U.S. participation. Lt. Gen. (P) Ryan congratulated Paraguay’s Gen. Rodríguez as incoming CAA president and emphasized the United States’ continued commitment to security and prosperity in the Western Hemisphere.
11/15/2025
11/15/2025
“It has been an honor to be here for the Jamaican people. We have been able to put the mighty CH-47 to work by transporting hundreds of thousands of pounds of cargo from main hubs out to remote towns.”
U.S. Army CW2 William Moody, 1-228 Aviation Regiment Winged Warriors CH-47 Chinook pilot
“It has been inspiring to see volunteers and donations from all over the world come together. These are the missions that really make us proud to be Americans. The Sugar Bear and Winged Warrior teams have done some incredible things out here.”
Progress Through Unity!
U.S. Southern Command (SOUTHCOM) | U.S. Department of State
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