Two black military

[moonbounce]

helicopters flying southwest over London, wonder if they are US helio's going back to Selfridge?

 

[FoeHammer]

I saw what looked like a griffon here in Windsor on Monday i think it was,....
looking closely it was not actually all black , but very dark olive with black sections ,...didnt hear anything on the radio ,....looked like the spec ops choppers that trained here before ,..