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Military Sealift Command Atlantic (MSCLANT)
Sealift Logitics Command Atlantic (SEALOGLANT)

The mission of Military Sealift Command Atlantic (MSCLANT) is to exercise operational control over Military Sealift Command afloat forces that provide ocean transportation of equipment, fuel, supplies and ammunition in the Eastern Atlantic to sustain US forces worldwide. MSCLANT also provides logistics support to the US Navy's Second Fleet.

Previously, MSCLANT's mission was to exercise operational control and provide husbanding support for all MSC ships in the Atlantic area of responsibility and maintain close liaison with customers to ensure complete understanding of MSC capabilities, early participation by MSC in planning and accurate refinement of requirements. MSCLANT's vision was to support Commander, Sealift Command's worldwide vision of delivering innovative maritime solutions in support of national security objectives.

As of 2011, MSCLANT's area of responsibility included all eastern coastlines of Canada, the United States and Mexico; all Central and South American coastlines both Atlantic and Pacific; and the waters roughly defined as Baffin Bay, the Labrador and Caribbean seas as well as the Atlantic Ocean east to 45 degrees west longitude in the North Atlantic. The South Atlantic was divided between MSCLANT and what was then known as Sealift Logistics Command Europe, at 27 degrees west longitude.

In 1949, the predecessor of Military Sealift Command Atlantic, Sealift Logistics Command Atlantic, was established in Brooklyn, New York. The Command remained in Brooklyn for a number of years prior to relocating to Bayonne, New Jersey. Due to a Base Realignment and Closure Committee (BRAC) decision in 1996 to close that base, the command relocated to Norfolk, Virginia.

Between 1949 and 1999, numerous international crises had underscored the vital role of MSCLANT as a major contributor in the execution of United States national strategy. Following the events of 11 September 2001, MSCLANT continued to play a necessary role in major military and humanitarian operations and was heavily involved supporting the global war on terrorism. A 2004 transformation initiative also changed the name to Military Sealift Command Atlantic.

In 2006, as part of MSC's global transformation efforts, the command was renamed Sealift Logistics Command Atlantic (SEALOGLANT). In 2011, as part of another transformation effort, the command was renamed back to Military Sealift Command Atlantic (MSCLANT).

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