42 Model based systems engineering; Model based systems engineering, namely, development of system architecture models; Digital engineering consulting; Digital engineering consulting, namely, advising digital engineers and scoping toolchains; Digital engineering consulting, namely, development of custom plugins between tools across domains enabling clean integration between tools with the chain; Mission engineering services in the nature of engineering space, combat, support and rescue, and medical transport vehicles; Mission engineering in the nature of creation of mission engineering architectures in the field of informational technology, industrial, defense, medical devices, automotive, heavy machinery, utilities, health care, financial, energy and consumer goods and services industries.