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You even tried to go around the chain of command.

"The only question is how high up the chain of command the decision was made."

What I needed was someone in the chain of command.

Try to go up the chain of command, I guess.

How far up the chain of command must we look?

When you report it, the form goes up through your chain of command.

"Get me something in writing that I can show my chain of command."

In that case, you'll need to go even higher up the chain of command.

Smith and the entire chain of command above us are national security.

This time he was too far up the chain of command to just be put out in the street.