Bomber. (While attacking a ship, each of your adds 1 damage to the damage total and you can resolve a critical effect.)
Swarm. (While attacking a squadron engaged with another squadron, you may reroll 1 die.)
Dagger Squadron was the first unit in the Rebel Alliance to be equipped with the then-experimental B-wing starfighters. They are first seen in Rebellion 13: Small Victories, Part 3 which is the thirteenth issue in the Star Wars: Rebellion series of comics.