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 "Direct Air"): The airline planned to resume operations on May 15, 2012, although this was contested by the U.S. Department of Transportation.
Relevant evidence: No