The mark consists of a logo having a large letter "S" represented as an incomplete circle with a horizontal crossbar. A letter "V" is positioned inside the letter "S" in the center of the horizontal crossbar. The horizontal crossbar of the letter "S" terminates on each outer side of its intersection with the letter "V". A reticle is centered and superimposed on the "S" and the "V".
Color is not claimed as a feature of the mark.