A damp day with low-clouds made that picture possible, it was taken last Monday when G-BOAF flew to JFK.
For more, go to www.concordesst.com/return to flight/latestnews/BA tests.
Nothing like a wet English morning to provide great photos of the 'Rocket'.
The reheats can be a bit smoky, that will clear up a bit once they are flying more often. There wasn't any reported problems in that area in the tech log.
You should see pics and footage of the prototypes of take-off, very smoky.