getPOENearestToFromLoc(Task parentTask) First check from to see if it's an airport, otherwise, must be a fort
If so, lookup airbase (APOE) nearest fort.
First check from to see if it's an airport, otherwise, must be a fort
If so, lookup airbase (APOE) nearest fort.
NULL probably only when no locations have been read in -- an ERRORotherwise, the nearest location