Within today’s dynamic environment of the defence industry, TRICOR panel solutions are highlighted as critical building blocks for the defence systems. As the requirement becomes even higher for technology in the field in terms of mission-critical applications, the TRICOR panel solutions have to be designed to be highly endangered environments for the mission-critical security and reliability of military issues. This article discusses the relevance of TRICOR defense applications by considering its ruggedized panel technology, defense communication panels, and secure data transfer panels for use in the contemporary systems in defense. We will also cover elements such as embedded avionics computers such as TRICOR, HE30 Aluminum Housings that make these solutions strategic in tactical and field applicable solutions.