42 Consulting services in the field of information technology provided to United States Government departments and agencies in relation to IT project management, portfolio management, information assurance, legacy modernization in the nature of computer software modernization, enterprise architecture design, data management, and computer forensic services; consulting services in the field of engineering provided to United States Government departments and agencies in relation to acquisition engineering, naval engineering, marine engineering, energy engineering, human factors engineering, and technical support provided in connection therewith, namely, computer software and technology troubleshooting; scientific research and development services provided to United States Government departments and agencies and technical support provided in connection therewith, namely, computer software and technology troubleshooting; compliance assurance, namely, reviewing standards and practices to assure compliance with environmental, acquisitional, economic, and defense-related laws and regulations, as management services provided to United States Government departments and agencies; testing and evaluation of technology and engineering solutions to determine conformity with certification standards, as management services provided to United States Government departments and agencies