Other novel references, including The Star to Every Wandering, establishes her name as Margaret Alexander and in The Star to Every Wandering she served under Captain Kirk before becoming a captain. She later became married, changing her surname to Sinclair-Alexander and she was promoted to admiral, where she was the officer who recruited Kirk to attend the christening ceremony aboard the USS Enterprise-B.
As the probe approached the ship, he explained that the peobe's call was being carried on an amplification wave that they we unable to isolate and that was negatively affecting the ship's systems. When the probe finally passed over the Saratoga, he delivered the damage report, informing the captain that they were only operating on reserve power, as all systems had failed. (Star Trek IV: The Voyage Home)