The mark consists of an outline of a circle with two openings on opposite ends. At the top opening, is a blue pie shaped quarter which connects to one half of the circular outline also in the color blue. Centered inside the top pie shaped quarter is the letter "S" in white. Below the blue quarter is a green pie shaped quarter with the white letter "T" centered within. To the right of the green quarter is a yellow pie shaped quarter with the white letter "E" centered within. Below the yellow quarter is a red pie shaped quarter with the white letter "M" centered within. The red quarter appears at the bottom opening of the circle design, and is connected to the other half of the circular outline also in the color red. All of the foregoing is centered above the wording "Exploration Center" in the color blue. All other instances of the color white in the mark represents background, outlining, shading and/or transparent areas and is not claimed as a feature of the mark.