The logo called "ECHELON" is a specific logo design that has been created for a particular brand or entity named ECHELON. Since I do not have access to real-time or current information, I cannot provide details about a specific logo called ECHELON created after my last knowledge update in September 2021. However, I can offer some general considerations that a logo design service might take into account when designing a logo:

Brand Identity: The logo should align with the brand's identity, reflecting its values, mission, and personality.

Simplicity: A good logo is often simple and easy to recognize, even when scaled down or viewed from a distance.

Memorability: A memorable logo leaves a lasting impression on viewers, making it more likely to be remembered.

Versatility: Logos should work well across various mediums, including print, digital, and signage, and in black and white or color.

Uniqueness: A distinctive and unique logo sets the brand apart from competitors and avoids confusion.

Relevance: The design elements and colors should relate to the industry or niche in which the brand operates.

Timelessness: A logo should ideally stand the test of time, avoiding trends that may quickly become outdated.

Scalability: The logo should look good when both enlarged and reduced in size.

Color Psychology: The choice of colors should consider the emotional and psychological impact they have on the audience.

Typography: If the logo includes text, the font style should complement the brand's identity and be legible.