1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) horse of a dull brownish grey color 2) the united nations agency concerned with international maritime activities 3) a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on earth by computing the time difference for signals from different satellites to reach the receiver DOWN 1) the site of an archeological exploration 2) an official at a baseball game 3) a negative ** Scroll down for solution. ** Are you sure you want to peek? dun imo gps