If no action was taken by the CIC for personal political reasons then the charge would be dereliction of duty.
"Dereliction of duty is a specific offense under United States Code Title 10,892. Article 92 and applies to all branches of the US military. A service member who is derelict has willfully refused to perform his duties"
One of Ronald Reagan's greatest mistakes was to take up the custom of receiving and returning salutes from officers and enlisted men.
He should have followed the example of General of the Army Dwight David Eisenhower, who declined to be saluted or to return salutes, since by being elected to the Presidency he had (temporarily) become a civilian.