Played this fleet for the first time last night and was pleased with the results:

Captain Yorr (Lambda)

-Anti-Pursuit Lasers

Omicron (Lambda)

-Darth Vader

-Anti-Pursuit Lasers

Academy Pilot (TIE Fighter) x4

The strategy is straightforward (and probably obvious). The Omicron moves in close and then holds position clogging up enemy ships so they can't get past. The other Lambda flies casual with green maneuvers to clear the stress token it picks up from the Omicron. The TIEs soften up targets so that Omicron can cripple them with its 3-4 attack dice and Vader.

What were you playing against? Id like to try out 2 shuttles. I read somewhere someone uses Yorr (I believe, the guy who takes a stress) and another lambda and sits them in a corner and has the one lambda be stationary, yoor east the stress and then moves 1 forward (or w.e green is) and is stuck behind him. He wont get an action but you have a pretty cool firebase setup = P.

That tactic can work, and is funny if you pull it off for a turn or two when your opponent thinks you have to move forward. However, both shuttles can't take an action, but, give Yorr Fire control system, and he can still target lock when he fires on a ship.