Educational services, namely, courses on achieving organizational objectives, using collaborative technologies and improving government services and national security, aviation operations and maintenance, airfield engineering and operations, fire and safety, air traffic control, air field management, construction services and solutions, environmental management services, expeditionary infrastructure services and solutions, custom engineered solutions, pre-manufactured and modular solutions, facilities engineering operations and maintenance, fleet maintenance and management, food services and catering, global procurement services and solutions, healthcare services and solutions, life support services, logistics, supply chain management operations and management, transportation services and solutions, warehouse operations and management, construction field infrastructure solutions, custom engineered infrastructure solutions, power field infrastructure solutions, permanent power services and solutions, power plant operations and management, renewable energy services and solutions, temporary power services and solutions; employee training in the field of organizational networks, information technology and enterprise architecture, excluding information assurance and cybersecurity issues; educational services in certification and accreditation programs, namely, training in the field of military procurement and inventory management practices; educational services, namely, providing internships and apprenticeships in the field of federal agency management; publishing and issuing research articles and white papers in the field of logistics, organizational networks, federal defense operations and policies in the fields of government services and national security, expeditionary infrastructure services and solutions and power