You are the pilot of an ultra advanced patrol craft and are stationed in top secret space federation base "Echelon". Your mission is to fly exploration and reconnaissance missions in an unexplored section of the galaxy. You are in search of 240 objects, the analysis of which will give you clues to the whereabouts of rampaging pirates and their planet. Echelon can be played in three modes. A scientific training and practice mode which allows exploration without the hindrance of attacking enemies, a Patrol mode where the resistance faced is mild, and a Military mode which features a multitude of attacking enemies.