The most worrying part of that story is the last paragraph
He added:
"Any legitimate threat to the UK's airspace will be spotted by our 24/7 radar checks and dealt with by RAF fighter aircraft."
A.k.a - Shoot first, ask questions later.
My own belief is that of the conspiracy theorists, namely that certain governments (perhaps most world governments) have already been in contact with "E.T" and make a point of not investigating any cases, because there's no need to.
There's enough evidence out there that convinced me and I'm not talking about "lights in the sky" type incidents, I'm talking about incidents like...
http://ufos.about.com/od/trianglecas.../p/belgium.htm
and
http://en.wikipedia.org/wiki/Phoenix_Lights
Could be a load of nonsense, but I believe! hehe