Question: Southern Sky Air Tours, d/b/a Direct Air, an airline business based in Myrtle Beach, South Carolina, were operated by Sky King, Inc., Xtra Airways, USA Jet, and Caribbean Sun Airlines, based in what state?
Sentence (from "Songbird Airways"): Sky King also conducted flights of deportees to undisclosed destinations on behalf of U.S. Immigration and Customs Enforcement (ICE).
Relevant evidence: No