The Atlas Omega weapon text is viewable on the original/biggest size of this gallery image:
It just says:
Atlas Class Titan wrote:
If there are more than 2 escorts within range 3:
Destroy 1d3 escorts within range 3.
I considered that "Destroy" might mean the player chooses, but that seemed too merciful and easy for the player. Since other weapons prefer shooting close targets, I supposed (apparently incorrectly) that this weapon worked the same... So I ended up losing 2 DDs instead of 2 FFs, doh...