42 Engineering services in the fields of data analysis, depot logistics, supply chain management, depot repair, product management, program management, process modeling, aerospace, and weaponry; product development and engineering services for others in the fields of product management, program management, depot logistics, supply chain management, depot repair, process modeling, aerospace, and weaponry; planning and design of aerospace maintenance facilities; planning, design and management of information technology systems; technological services, namely, research, analysis, and testing, in the fields of depot logistics, supply chain management, depot repair, product management, program management, process modeling, aerospace, and weaponry; testing, analysis, and evaluation of aerospace systems and weaponry systems; design for others in the field of engineering for the product management, program management, process modeling, aerospace, and weaponry industries; data mining