"Never ... was so much owed by so many to so few." Winston Churchill.
A fabulous vintage epic, jam packed with a who's who of British stars of the era - Laurence Olivier, Christopher Plummer, Kenneth More, Michael Caine, Ralph Richardson, Harry Andrews - that does a sterling job of portraying a truly momentous moment in our recent history.
You can read plot précis elsewhere online. This post is really just a chance for me to say that this is a truly great film, which I always thoroughly enjoy watching. And it will bear repeated viewing. It's a shame there aren't more films made with this level of passionate attention to detail. And now, what with CGI, we're unlikely to see anything that goes to similar lengths to physically replicate the epic events depicted so well here.
The Battle Of Britain belongs in the select and august company of The Longest Day, as a uniquely brilliant example of cinematic homage to key events of WWII. And in this review I'm simpy registering my vote for this as a solid-gold classic.
It's been pointed out - quite right to - that I've been rather remiss in not making any reference to Susannah York. So, here she is:
 Visits to RAF Duxford, our 'local' Imperial War Museum and airshow venue, were a feature of my childhood, a tradition I've kept up into adulthood.
 I remember getting a postcard form a childhood friend with this picture on it.
Dave's excellent site about the movie, already linked to above, also has a compete gallery of these cards (here), but only showing the fronts. A more complete exposition, showing both front and back (the reverse face of each card reproduces topical newspaper excerpts) can be found here.