191st Regional Support Group (191st RSG) is a

regional support group In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...

of the

Puerto Rico Army National Guard The Puerto Rico Army National Guard (PRARNG) — officially designated in Spanish as ''Guardia Nacional Terrestre de Puerto Rico'', but colloquially known as ''Ejército de la Guardia Nacional de Puerto Rico'' — is the Army National Guard of the ...

. The unit's federal (MTOE/TDA) mission is '..Deploys to provide contingency and expeditionary Base Operations Support, with responsibilities for managing facilities, providing administrative and logistical support of soldier services, and ensuring the security of personnel and facilities on a base camp.' The unit has been in command of the

Joint Task Force Guantanamo Joint Task Force Guantanamo (JTF-GTMO) is a U.S. military joint task force based at Guantanamo Bay Naval Base, Guantánamo Bay, Cuba on the southeastern end of the base. JTF-GTMO falls under US Southern Command. Since January 2002 the command has ...

Headquarters and Headquarters Company since its arrival in December 2008. Their mission while deployed is expansive, ranging from service member safety to housing issues. In addition to its far-reaching responsibilities, the group has also had to learn to work with and rely on one another, since the unit was formed shortly before deploying.U.S. Department of Defense, DVIDS
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References

Support groups of the United States Army Military units and formations in Puerto Rico Puerto Rico Army National Guard {{PuertoRico-stub