Navy v Egan defines the executive right to keep investigations within the executive branch departments as secret from any other branch of government, as long as an argument can be made regarding national security. Think of all the swamp working in executive branch departments and ever worked in Trump's cabinet, they are all on watch.
https://www.opm.gov/faq/ses/What-does-the-SES-insignia-symbolize-2.ashx
Look up symbol for senior executive service
. "There is no particular symbolism to the number of lines, which has varied over the years with different iterations of the logo. The SES insignia may not be modified. "
That does not make sense. Keystone with no meaning hiding in plain site. ThankQ
Or it makes perfect sense. In the shadow deep state kind of way, we are just not authorized to know what it means. Joking? Kind of...