27 For a detailed study of communications during JUST CAUSE, See Jared A. Kline, "Joint Communications in Support of Joint Task Force South During Operation Just Cause" (M.A. thesis, U.S. Army Command and General Staff College, 1991). See also William Scott Ramshaw, "Operation Just Cause Command and Control: A Case Study" (Monterey, Calif.: M.S. thesis, Naval Postgraduate School, 1991).