That is what will become history in 2010 IF the US allows the 2nd phase to go through. If it doesn't, then we will go back to where LHR is protected for only 2 US and 2 GB airlines to fly.
Not *will*
Individual EU States *may* turn back the clock to 29/3/08 if the second stage does not materialise. The chances of the UK, alone of the EU27, taking this action are ... slim