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Soldier Support Institute
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<p>The Soldier Support Institute (SSI) at <a href="/facts/Fort_Jackson_(South_Carolina)/kwrTwt76">Fort Jackson</a>, <a href="/facts/South_Carolina/lQQX84IS">South Carolina</a> is a U.S. Army organization and major subordinate command of the <a href="/facts/Combined_Arms_Support_Command/hecftzz6">Combined Arms Support Command</a> and part of the <a href="/facts/Sustainment_Center_of_Excellence/34sxtM8C">Sustainment Center of Excellence</a> (SCoE). It is also part of the <a href="/facts/United_States_Army_Training_and_Doctrine_Command/hcRDGA7W">Training and Doctrine Command</a> (TRADOC). </p>