A little makeshift "shrine" dedicated to the original Alliance team -
to honor the bond Kaidan and Ash share with Shepard and each other.
Focus on the platonic, non-sexual, "soulmatey" aspect of the relationship, but there ARE occasional hints at romance (pretty much all combinations of those three, including both male and female Shepards).
“The loss of the human colony Eden Prime was the first in a series of catastrophes to mark the return of the Reapers—a race of sentient AI that would threaten all life in the galaxy. Now, in her own words, Gunnery Chief Ashley Williams reveals what she saw.”