Lockheed Martin Mission Systems and Training (MST) provides systems engineering, software development, complex program management, supply chain solutions and logistics, and training and simulation technologies for global security, civil and commercial markets.

MST employs approximately 17,000 people in the U.S., Canada, Mexico, Taiwan, Japan, United Kingdom, Germany, the Netherlands, New Zealand and Australia. Computer systems, software and hardware engineering professionals comprise the largest segment of company's workforce, followed by production, professional and other support specialists.