Here are a few thoughts, as I've studied this issue for many years. In fact I have a presentation I give on this subject as part of the ACM distinguished lecturer program and the IEEE Computer Society's distinguished visitor program. 1) There actually have been academic programs called computer science engineering, but the name never caught on.
The color black represents strength, seriousness, power, and authority. Black is a formal, elegant, and prestigious color. Authoritative and powerful, the color black can evoke strong emotions and too much black can be overwhelming. In heraldry, black is the symbol of grief.
Each symbol and color in the National Law Enforcement Explorers seal has special significance. The circular form of the seal represents continuous existence. The dominant blue field represents justice. The inner circle contains a shield surmounted by an eagle. The eagle spread across the top represents the national coverage of Law Enforcement Exploring.