Later on, Gray informs Kirk that Garrett has now demanded a formal hearing to determine the Captaincy of the HOOD, the board will be presided by Gray, Stomm and Kirk.
When Garrett takes the stand, it is noted that she has a lot more qualifications and been decorated more times by Starfleet than Spock, on paper she would make an ideal captain, however Gray brings up the Nimbus III incident, which concerns her.