There is no legwork to do. "It is my opinion that Retired Rat is ready and capable to fulfill the duties as required of the capacity applied herein...yadda yadda" signed anchorman. Nothing special. It can say "He will be a good officer in my opinion" signed anchorman. Never heard of a recommendation getting rejected. Just make sure they put their license number, type, and company with phone number.
"Captain standard operating procedure for decision making is to do what feels right to you at the time, and then to give logical sounding justifications for what you were already going to do anyway" -