sentences:  Warning Area 174 (W-174), Warning Area 465 (W-465), the Key West OPAREA, and the Bonefish Air Traffic Control Assigned Airspace (ATCAA) define the Key West Complex airspace.The majority of the airspace is covered by a Tactical Aircrew Combat Training System (TACTS) range that continuously tracks aircraft positions and maneuvering parameters, recording everything for later playback during mission debrief.U.S.