They still have a right to know what's going on, to the deepest technical depth possible. There may be cases that a particular aspect of loading on the spacecraft is restricted, or the command system is not documented because it isn't actually cryptographically protected. But these should be very rare.

What you are running up against is the organizational default of running in secrecy, and making choices that enforce and continue the need to run in secrecy. This is obsolete and damaging to the organization. Two important results are that they can not clearly respond to problems in any way that the membership can see, their access to continuing funding is unnecessarily restricted.

    Bruce