The Monday afternoon time slot appears to have been a tough one for TrueAchievement. They have rescheduled the Wing Commander Arena achievement-gathering session for this coming Sunday, May 5, at around 4 pm Eastern time (1 pm Pacific, 8 pm GMT). It's still early enough that hopefully Wingnuts from a couple continents can join in. Coincidentally, this will be a Free Xbox Live Gold weekend in the UK, so even British Xbox owners who have let their accounts lapse can jump right in!
Boosting Gaming Session for Wing Commander Arena
Session starts on Sunday, 05 May 2013 at 20:00 for 1 hour
Intended achievements for this session: Wing Commander Arena TCS Tiger's Claw The TCS Tiger's Claw achievement in Wing Commander Arena worth 20 pointsCompete in a 16 player Capital Ship game
We are going to go for this again. Hopefully this is a better time than last attempt.