In January 1999, Advanced Development Group Inc., (ADG) was acquired by ManTech International. Specializing in the development of interactive multimedia and distance learning training products, at the time ADG was a leading Interactive Multimedia Instruction (IMI) developer for the U.S. Army. In addition, ADG had developed a proprietary IMI Course Builder Program(C) to enable the development of high-quality, low-cost training products that incorporate sophisticated animation, graphics and video. Though additional staff joined ADG after the acqusition, the firm continued to operate in its primary fields of expertsie and at the same locstion in California.
