function [rtree_idx,timeGeoList] = get_historic_missions()
%GET_HISTORIC_MISSIONS Summary of this function goes here
%   Detailed explanation goes here
        mission_list=uigetdir2('/mnt/m/pipe/timgs/sonobot-generic', ...
                            'Select mission directories');
        py.importlib.import_module('rtree');
        rtree_idx=py.rtree.index.Index('mission');
        timeGeoList=[];
        for directory = mission_list
            [rtree_idx,timeGeoList]=read_timeGeo(rtree_idx,timeGeoList,directory{1});
        end

end

