Mercury Computer Systems, Inc. today announced that it has completed the previously announced acquisition of the TGS Group for approximately $18.5 million, consisting of $6.0 million in Mercury common stock and the remainder in cash, subject to certain post-closing adjustments. TGS is a leading supplier of three-dimensional (3-D) image processing and visualization software to diverse end markets including life sciences (medical imaging and biotechnology), geosciences (earth sciences including oil and gas exploration), and simulation (commercial and defense). The company is headquartered in Bordeaux, France and has operations in Berlin, Germany and San Diego, California.