Because she currently doesn't have a name yet. She so far only appears on the icon of completed ship construction, where she smacks Benson head with a bottle of champagne. She probably will be added sooner or later, like Benson eventually was added.
She's not a ship, and so will never be added. She's, presumably, the wife of Admiral Benson, the namesake of the ship Benson. She sponsored Benson's construction, and is christening Benson in the completed ship icon like she did the real life Benson Destroyer.
Azur Lanefor Dummies
Story/Art: ToucailaoI'm not a crazed groupie that only paparazzis Sara-chan!..the truth of this evil stronghold of soul collecting!I do serve the community sometimes!This entire event is about this Sanctuary...But they never mentioned what exactly is in this Sanctuary!I'm going to unveil...Fool!How can we even make money if people are getting Super Rare and Elite left and right in daily construction!I'm terribly sorry!Can't you just lower the rate in the background!?I see....the Sanctuary of Creators.I forgot to add in San Diego...I gotta call them to add 30 more health bars!Did you miss me~~?Better off to be a Saratoga groupie.It will cost you more than salary next time...This is...